State of Finance for Nature 2026 : nature in the red, powering the trillion dollar nature transition economy
Auteur moral
Programme des Nations Unies pour l'environnement
Auteur secondaire
Résumé
"The fourth edition builds on established methods. This edition uses improved data and more robust methods to track NbS finance flows in 2023, NbS investment needs and opportunities to 2030 and 2050, and nature-negative finance. For every dollar invested in protecting nature, US$30 are spent destroying it. In 2023, US$7.3 trillion flowed into nature-negative activities?from fossil fuel subsidies to investments in high-impact sectors like utilities and energy. Meanwhile, only US$220 billion supported NbS, with private finance contributing just US$23 billion. To meet global biodiversity, climate and land restoration targets, NbS investment must increase 2.5 times to US$571 billion annually by 2030?equivalent to just 0.5 per cent of global GDP. This report introduces the Nature Transition X-Curve, a practical framework guiding governments and businesses to phase out harmful subsidies and destructive investments while scaling up high-integrity NbS across all economic sectors. It demonstrates how redirecting even a fraction of existing harmful flows could close the finance gap and unlock a trillion-dollar nature transition economy. Explore the resources below to understand the scale of the challenge, discover actionable solutions, and join the movement toward a nature-positive future. "
Descripteur Urbamet
Descripteur écoplanete
impact sur l'environnement
;analyse coût avantage
;fiscalité environnementale
Thème
Énergie - Climat
;Environnement - Nature
;Environnement - Paysage
;Ressources - Nuisances
;Risques
Texte intégral
i | UNEP | State of Finance for Nature 2026 State of Finance for Nature 2026
Powering the trillion dollar nature
transition economy
Nature in the red
ii | UNEP | State of Finance for Nature 2026
© 2026 United Nations Environment Programme
ISBN: 978-92-807-4258-9
Job No: CLI/2740/NA
DOI: https://doi.org/10.59117/20.500.11822/49119
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Suggested citation:
United Nations Environment Programme (2026). State of
Finance for Nature 2026: Nature in the red: Powering the trillion
dollar nature transition economy. Nairobi. https://wedocs.unep.
org/handle/20.500.11822/49119
Production: Nairobi
URL: https://www.unep.org/resources/state-finance-nature-2026
Cover design: Beverley McDonald
Core partners:
With financial support from:
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iii | UNEP | State of Finance for Nature 2026
Acknowledgements
The United Nations Environment Programme (UNEP)
would like to thank the members of the State of Finance
for Nature Core Group of partners (UNEP, Global
Canopy, Economics of Land Degradation), the Frankfurt
School of Finance and Management, the authors, the
contributors and the reviewers for their contribution to
the preparation of this report.
Authors
Michael König-Sykorova (Frankfurt School of Finance
and Management), Nathalie Olsen (UNEP), Mathias
Herbert Grimm Bertello (Frankfurt School of Finance and
Management), Carola-Menzel Hausherr (Frankfurt School
of Finance and Management), Ashish Tyagi (Frankfurt
School of Finance and Management), Johannes Förster
(Helmholtz Centre for Environmental Research), Julian
Rode (Helmholtz Centre for Environmental Research),
Hamsa Cárdenas Moreno (Helmholtz Centre for
Environmental Research), Ivo Mulder (UNEP), Jessica
Smith (UNEP), Andrew Mitchell (UNEP/Global Canopy)
With contributions of technical expertise, guidance, data
and peer review
Daniela Chiriac (UNEP), Emma Bukera (UNEP), Joel
Zeke Johannes-Gold (UNEP), Johannes Kieft (UNEP),
Lei Ning (UNEP), Raphaele Deau (UNEP), Raymond
Brandes (UNEP), Rowan Palmer (UNEP), Vanesa
Rodriguez Osuna (UNEP), Gabriela Prata Dias (UNEP
Copenhagen Climate Centre), Sebastian Bekker (UNEP
World Conservation Monitoring Centre), Andrew Seidl
(Colorado State University/ UN Development Programme),
Onno van Heuvel (UN Development Programme), Emma
Jones (UK Department for Environment, Food and Rural
Affairs), Georgia Patt (UK Department for Environment,
Food and Rural Affairs), Jess Bridgman (UK Department
for Environment, Food and Rural Affairs), Will Vallely
(UK Department for Environment, Food and Rural
Affairs), Luke Bailey (UK Foreign, Commonwealth and
Development Office), Charlotte Waldraff (Deutsche
Gesellschaft für Internationale Zusammenarbeit),
Christine Majowski (Deutsche Gesellschaft für
Internationale Zusammenarbeit), Christine Wolf (Deutsche
Gesellschaft für Internationale Zusammenarbeit), Daniel
Wallmann (Deutsche Gesellschaft für Internationale
Zusammenarbeit), Johannes Kruse (Economics of Land
Degradation Initiative), Nina Bisom (Deutsche Gesellschaft
für Internationale Zusammenarbeit), Sarah Lisanne John
(German Federal Ministry for Economic Cooperation and
Development), Simon Conze (Deutsche Gesellschaft für
Internationale Zusammenarbeit), Paulo Nunes (Economics
of Land Degradation Initiative Advisor), Richard
Thomas (Economics of Land Degradation Initiative),
Waltraud Ederer (Economics of Land Degradation
Initiative), Fiona Pedeboy (Global Canopy), Heidi
Wittmer (Helmholtz Centre for Environmental Research),
Alistair Purdie (BloombergNEF), Charlotte Gardes-
Landolfini (International Monetary Fund), Dominique
Blaquier (Organization for Economic Co-operation and
Development), Juan Casado-Asensio (Organization
for Economic Co-operation and Development), Gesa
Vögele (Fair Finance Institute), Detlef Sprinz (Potsdam
Institute for Climate Impact Research), Victor Wattin
Håkansson (Swiss Federal Institute of Technology), Zélie
Stalhandske (Swiss Federal Institute of Technology), Willy
Scherrieble (bw-analytics), Joshua Bishop (University of
Sydney), Angela Picciariello (International Institute for
Sustainable Development), Helena Kraemer (Institute
for Policy Evaluation), Baysa Naran (Climate Policy
Initiative), Jongwoo Moon (Korea Environment Institute),
Elizabeth Tan (ODI Global), Laetitia Pettinotti (ODI Global),
Shahzoda Alikhanova (ODI Global), Erik Haites (Margaree
Consultants), Debora Ley (Consultant), Steffen Müller
(Consultant), Dipak Dasgupta (Consultant), Anoush Alibhai
(Frankfurt School of Finance and Management), Bettina
Wittlinger de Lima (Frankfurt School of Finance and
Management), Caren Lipp (Frankfurt School of Finance
and Management), Christine Grüning (Frankfurt School of
Finance and Management), Héctor Fabián Garavito Flórez
(Frankfurt School of Finance and Management), and Paul
Hockenos (Frankfurt School of Finance and Management)
iv | UNEP | State of Finance for Nature 2026
Foreword
Getting the wheel turning to embed nature across
the economy and society
Nature, on which we all depend, has become a
depleted and degraded asset. The globalised
economy, built on extraction of natural resources
with little regard for associated environmental
impacts, has racked up a massive environmental
debt. Over the last decades this has only
accelerated, with more species driven to extinction
and vital ecosystems on the brink. But as this
translates into ever clearer economic impacts,
particularly in high-dependency sectors like food
and agriculture, the world is waking up to this most
fundamental of problems.
Forward-looking governments with climate and
nature transition plans and businesses and financial
institutions, which have started to assess and
disclose climate- and nature-related financial
risks, are becoming aware of the risks and financial
implications that the current ?nature free-for-all? has
for their economies and balance sheets. It is against
this backdrop that we started the State of Finance
for Nature (SFN) initiative to track data and trends on
nature-relevant capital flows.
Over the past five years, SFN has kept improving
its methodologies and data coverage, becoming a
trusted source of decision-relevant information for
governments and the private sector. The inaugural
SFN 2021 covered terrestrial ecosystems only. Over
time, its scope has expanded to include marine and
freshwater ecosystems, and importantly SFN has
started to track nature-negative capital flows. These
dwarf the nature-based solution funding gap, starkly
underlining the need for action.
We therefore call for the 'Big Nature Turnaround'.
This means first protecting and restoring nature as
outlined in the Global Biodiversity Framework. But
it is more than that. Harnessing the opportunity of
the big nature turnaround means re-purposing the
trillions of dollars in nature-negative finance that
are flowing around the world that degrade natural
infrastructure that underpins human well-being and
a large part of our global economy.
Getting the wheel turning on that big nature
turnaround means embedding nature-based
solutions in every key sector of economy and
society, from manufacturing to infrastructure and
real estate, and from energy to agriculture, forestry
and tourism. It requires a perspective change to
see nature as an asset that can improve human
well-being in urban, industrial and rural areas by
identifying economic opportunities to apply nature-
based solutions as well as creating economic
incentives to transition away from nature-negative
capital flows.
It requires courage and a ?whole-of-society?
approach to work on practical solutions, big and
small, to make the transition to a nature-positive
society a reality. This is the key message of this
fourth edition of the State of Finance for Nature,
and we urge governments and businesses to get the
wheel turning on a great nature turnaround, with
all the positive promise it brings. Let?s work with
nature, instead of fighting against it.
Martin Krause, Director, Climate Change Division
UNEP
Dr. Katharina Stasch, Director-General for
multilateral development policy, transformation
and climate in the Federal Ministry for Economic
Cooperation and Development (BMZ), Germany
Niki Mardas, Executive Director, Global Canopy
v | UNEP | State of Finance for Nature 2026
Table of Contents
Acknowledgements ............................................................................................................................. iii
Foreword ........................................................................................................................................... iv
Table of Contents ..................................................................................................................................v
Glossary ......................................................................................................................................... viii
List of Abbreviations .............................................................................................................................x
Executive Summary ............................................................................................................................ xiii
Chapter 1: Setting the scene ..................................................................................................................2
1.1 Is the world on track? .................................................................................................................................. 3
1.2 How this report helps .................................................................................................................................. 3
1.3 Recognising the potential of nature-based solutions ................................................................................... 4
1.4 Redefining the role of the private sector ....................................................................................................... 6
1.5 Nature Transition X-curve and the ?Big Nature Turnaround?............................................................................8
Chapter 2: Tracking nature-negative finance .........................................................................................10
2.1 Public nature-negative finance ................................................................................................................... 11
2.2 Private nature-negative finance .................................................................................................................. 14
2.3 Phasing out nature-negative finance .......................................................................................................... 17
Chapter 3:Finance flows to nature-based solutions ...............................................................................20
3.1 Global finance flows to nature-based solutions .......................................................................................... 22
3.2 Public expenditure on nature-based solutions ........................................................................................... 23
3.2.1 Public domestic expenditure on nature-based solutions..................................................................23
3.2.2 Public international NbS finance via Official Development Finance ................................................. 26
3.2.3 NbS delivering on the Rio Conventions ........................................................................................... 29
3.2.4 Public debt-for-nature swaps .......................................................................................................... 31
3.3 Private finance flows to nature-based solutions ......................................................................................... 32
3.3.1 Sustainable bonds for biodiversity .................................................................................................. 33
3.3.2 Biodiversity funds ........................................................................................................................... 34
3.3.3 Philanthropic funding ..................................................................................................................... 34
3.3.4 Environmental non-governmental organizations ............................................................................. 36
3.3.5 Private finance mobilised by Official Development Finance ............................................................. 37
3.3.6 Carbon offsets ................................................................................................................................ 38
3.3.7 Biodiversity offsets ......................................................................................................................... 39
3.3.8 Payments for ecosystem services ................................................................................................... 40
3.3.9 Certified commodity supply chains ................................................................................................. 40
3.4 Concluding remarks ................................................................................................................................... 41
Chapter 4: Investment needs for nature-based solutions ........................................................................43
4.1 Investment needs and the finance gap ....................................................................................................... 43
4.2Investing in enabling conditions ................................................................................................................. 45
Chapter 5: Transitioning finance flows for nature positive outcomes .......................................................47
5.1 A nature transition x-curve ......................................................................................................................... 48
5.2 A nature transition x-curve for policymakers .............................................................................................. 49
5.3 Using the X-curve to inform action ............................................................................................................. 51
5.4 Concluding reflections ............................................................................................................................... 59
References .........................................................................................................................................61
Technical Annex .................................................................................................................................71
A.1 Nature-negative finance ............................................................................................................................ 71
A.2 Public finance to nature-based solutions ................................................................................................... 75
A.3 Private finance to nature-based solutions .................................................................................................. 80
vi | UNEP | State of Finance for Nature 2026
A.4 Investment needs for NbS ......................................................................................................................... 85
A.5 The nature transition x curve ...................................................................................................................... 86
Figures
Figure ES 1: Nature negative finance, NbS finance and investment needs in 2023 ........................................ xiv
Figure ES 2: Nature-negative finance flows of 7.3 trillion in 2023 (trillion US$) ............................................... xv
Figure ES 3: Public and private finance flows to nature-based solutions in 2023 (billion US$) ....................... xvi
Figure ES 4: Transition pathways to nature-positive outcomes ..................................................................... xvii
Figure 1: ?Finance for nature positive? working model ............................................................................... 7
Figure 2: Nature-negative finance flows of US$7.3 trillion in 2023 ............................................................ 11
Figure 3: Public finance: Environmentally harmful subsidies, 2019?2023 (trillion US$) ............................. 12
Figure 4: Private nature-negative finance flows, 2020?24 (billion US$) ..................................................... 15
Figure 5: Private nature-negative finance flows by sector and asset class in 2023 (billion US$) ................ 16
Figure 6: Public and private finance flows to nature-based solutions in 2023 (billion US$) ....................... 21
Figure 7: Public finance flows to NbS in 2023 (billion US$) ....................................................................... 22
Figure 8: Public domestic expenditure on nature-based solutions by sector, 2021?23 (billion US$)...........24
Figure 9: Public domestic and international expenditure on nature-based solutions by region in 2023
(billion US$) and percentage change from 2022 to 2023............................................................24
Figure 10: Public green and sustainability-linked bonds with biodiversity use of proceeds by type of
issuing entity, 2019?23 (billion US$)...........................................................................................26
Figure 11: Official Development Finance targeting NbS, 2015-23 and by sector in 2023 (US$ billion) ........ 27
Figure 12: Share of Official Development Finance targeting NbS with a gender marker, 2015-23 ............... 28
Figure 13: Contribution of ODF to nature-based solutions to Rio Conventions in 2023 ................................ 30
Figure 14: Share of Official Development Finance targeting NbS that delivers on multiple Rio Conventions
and gender, 2021-23 (%) ...........................................................................................................30
Figure 15: Total restructured debt by year, including new debt and conservation funds, 2021-24 ............... 31
Figure 16: Private finance flows to nature-based solutions in 2023 (billion US$) ........................................ 32
Figure 17: Private corporate sustainable bonds with biodiversity UoP by sectors, 2019?24 (billion US$) .... 33
Figure 18: Philanthropic funding to nature-based solutions, 2015-23 and by sector in 2023 (million US$)...35
35Figure 19: Share of gender marked projects in NbS funding through private philanthropy (%) .................... 36
Figure 20: Mobilised private finance to NbS by sector, 2015-23 (million US$) ............................................. 37
Figure 21: Private finance for NbS mobilised by ODF per recipient region in 2023 (million US$) ................. 38
Figure 22: Private NbS finance flows through certified commodity supply chains, 2019?23 (billion US$).....40
Figure 23: Annual investment needs in NbS to reach Rio targets, 2030-2050 (billion US$) ........................ 44
Figure 24: Nature negative finance, NbS finance and investment needs in 2023 ........................................ 47
Figure 25: The Nature Transition X-Curve ? A framework for the transition to a nature-positive society ....... 48
Figure 26: Nature Transition X-curve for policymakers ............................................................................... 50
Figure 27: Current NbS finance flows, NbS investment needs and nature negative finance in ASEAN ......... 57
Figure A1: Boxplot of Monte Carlo simulated private nature-negative flows ................................................ 75
Figure A2: Identifying NbS in Official Development Finance ........................................................................ 78
Figure A3: Value of biodiversity offsets by region in 2023 ........................................................................... 83
Tables
Table 1: Environmentally-harmful subsidies by sector ............................................................................. 13
Table 2: Characteristics to identify NbS finance flows in Official Development Finance ........................... 26
Table 3: Attribution scheme of NbS transactions to Rio Conventions ....................................................... 29
Table 4: Transformative change framework for policymakers in Colombia .............................................. 56
Table A1: Public nature-negative finance: Environmentally Harmful Subsidies .......................................... 71
Table A2: Private nature-negative finance ................................................................................................. 72
Table A3: Nature-related pressures (impact drivers) and examples ........................................................... 73
Table A4: Nature-negative finance attribution matrix ................................................................................. 74
Table A5: Public finance: COFOG to Nature-based Solutions..................................................................... 75
Table A6: Public budget categories for government expenditure in nature-based solutions ....................... 76
Table A7: Scaling factors by COFOG budget function ................................................................................ 77
Table A8: Mapping of US public domestic expenditure categories to COFOG ............................................ 77
Table A9: Mapping of Chinese public domestic expenditure categories to COFOG .................................... 77
Table A10: Public finance: ODF to Nature-based Solutions ......................................................................... 78
Table A11: ODF sub-sectors targeting NbS..................................................................................................79
Table A12: Examples of projects consistent with lower bound estimate.......................................................79
vii | UNEP | State of Finance for Nature 2026
Table A13: Public finance to NbS: Debt-for-nature swaps ............................................................................ 80
Table A14: Private finance to NbS: Sustainable bonds for biodiversity ......................................................... 80
Table A15: Private finance to NbS: Private philanthropy ............................................................................... 80
Table A16: Private finance to NbS: Private finance mobilised for official development finance ..................... 81
Table A17: Private finance to NbS: Voluntary carbon markets...................................................................... 82
Table A18: Private finance to NbS: Compliance carbon markets .................................................................. 82
Table A19: Private finance to NbS: Biodiversity offsets ................................................................................ 83
Table A20: Private finance to NbS: Payments for ecosystem services (Source: SFN 2023) .......................... 84
Table A21: Private finance to NbS: Certified commodity supply chains ........................................................ 84
Table A22: NbS types and definitions ......................................................................................................... 85
Table A23: Costs reflected in the integrated assessment modelling (Source: SFN 2023) ............................. 86
Table A24: List of leverage points ................................................................................................................ 86
viii | UNEP | State of Finance for Nature 2026
Glossary
Biodiversity The variability among living organisms from all sources including inter alia terrestrial,
marine and other aquatic ecosystems and the ecological complexes of which they are part;
this includes diversity within species, between species and of ecosystems (United Nations
Convention on Biological Diversity [UNCBD]).
Biodiversity credit A tradable unit representing a measurable, additional, and verified positive impact on
biodiversity outcomes generated through conservation or restoration activities beyond legal
requirements (IUCN, UNEP Synthesis).
Biodiversity offset A conservation action designed to compensate for residual, unavoidable biodiversity loss from
development projects by generating equivalent biodiversity gains elsewhere, aiming for no net
loss or a net gain (CBD and Business and Biodiversity Offsets Programme).
Environmental harmful
subsidies
Finance flows mobilised by government policies or programmes that encourage unsustainable
production or consumption and harm nature often through resource depletion, ecosystem
degradation or adverse impacts on planetary health (Reyes-Garcia 2025).
Ecosystem service Material and immaterial benefits that humans obtain either directly or indirectly from
ecosystems.
Finance gap The difference between current finance flows and future investment needs to achieve climate,
biodiversity and land degradation neutrality targets.
Finance flows Annual capital and operating expenditure from loans, debt, equity rounds, disbursements,
revenues, budgeted amounts or other forms of tracked finance flows in monetary values.
Gender The roles, behaviours, activities and attributes that a given society at a given time considers
appropriate for men and women.
Green and
sustainability linked
bonds
Debt instruments. Green bond proceeds go to new or existing projects that are intended to
have positive environmental or climate effects.
Natural capital The world?s stocks of natural assets, which include geology, soil, air, water and all living things.
It is from natural capital that humans derive a wide range of services, often called ?ecosystem
services?, which make human life possible (UNCBD).
Nature The living parts of the biosphere, including their diversity and abundance and functional
interactions with one another and with the abiotic parts of the earth system (IPBES-IPCC
2021).
Nature-based
solutions
Actions to protect, conserve, restore, sustainably use and manage natural or modified
terrestrial, freshwater, coastal and marine ecosystems, which address social, economic and
environmental challenges effectively and adaptively, while simultaneously providing human
well-being, ecosystem services and resilience and biodiversity benefits (UNEA-5 2022).
ix | UNEP | State of Finance for Nature 2026
Nature negative Finance flows for activities that could potentially have a negative effect on nature (Deutz et al.
2020). Activities that are driving unsustainable use of land, freshwater, oceans and resources
and ultimately undermining human well-being.
Nature positive A high-level goal and concept describing a future state of nature (e.g. biodiversity with species,
ecosystems and ecosystem services) that is greater than the current state of nature (e.g.
positive outcomes for biodiversity and ecosystem services).
Nature-positive
outcome
Measurable net-positive biodiversity outcomes through the improvement in the abundance,
diversity, integrity and resilience of species, ecosystems and natural processes at all scales
(global, national and landscape level (GBF, Nature Positive Initiative)).
Nature-related risk Potential threats posed to an organization linked to its and other organizations? impacts and
dependencies on nature. These can derive from physical, transitional and systemic risks.
Climate Disclosure Standards Board (CDSB 2021); Taskforce on Nature-related Financial
Disclosure (TNFD 2023a).
Pressure The use of a measurable quantity of a natural resource or release of a measurable quantity
of substances, physical and biological agents. A pressure triggers the mechanisms causing
change in the state of nature (i.e. ecosystems and their components). As such, a single
pressure may lead to multiple impacts.
Private finance
mobilised by public
ODF
Mobilisation refers to the ways in which specific mechanisms stimulate the allocation of
additional financial resources to particular objectives; it requires a demonstrable causal link
between finance made available for a specific project and the leveraging instrument used,
including but not limited to syndicated loans, guarantees, shares in collective investment
vehicles, direct investment in companies, credit lines, project finance and simple co-financing
arrangements (based on OECD 2023b)
Protected area A clearly defined geographical space that is recognised, dedicated and managed through legal
or other effective means to achieve the long-term conservation of nature with associated
ecosystem services and cultural values (UN Environment Programme World Conservation
Monitoring Centre and IUCN [UNEP WCMC and IUCN] 2016).
Restoration The UN Decade on Ecosystem Restoration definition includes activities to prevent, halt
and reverse degradation and can be understood as a continuum of practices not limited to
rehabilitation and ecological restoration but including other practices such as ecosystem
management (The World Bank [WB] 2022a).
x | UNEP | State of Finance for Nature 2026
AFOLU Agriculture, Forestry and Other Land Use
AI Artificial Intelligence
BIOFIN Biodiversity Finance Initiative
CBD Convention on Biological Diversity
CCICED
China Council for International Cooperation
on Environment and Development
CBD Convention on Biological Diversity
CDSB Climate Disclosure Standards Board
CIEP Centre for International Environmental Policy
CO2 Carbon Dioxide
COFOG Classification of the Functions of Government
COP Conference of the Parties
CRS Creditor Reporting System
CSRD Corporate Sustainability Reporting Directive
DAC Development Assistance Committee
DIRO
Dependencies, Impacts, Risks and
Opportunities
DLDD Desertification, Land Degradation and Drought
DNS Debt-for-Nature Swap
E&S Environmental and Social
EA Environmental Assessment
EBA European Banking Authority
EHS Environmentally Harmful Subsidies
EIB European Investment Bank
ELD Economics of Land Degradation
EMDEs Emerging and Developing Economies
ENACT
Enhancing Nature-based Solutions for Climate
Change and Sustainability
eNGO
Environmental Non-Governmental
Organization
ESG Environmental, Social and Governance
ETS Emissions Trading System
EU European Union
FAO
Food and Agriculture Organization of the
United Nations
List of Abbreviations
FfBF Finance for Biodiversity Foundation
FIs Financial Institutions
FSC Forest Stewardship Council
GBF Global Biodiversity Framework
GBP British Pound
GCP Global Carbon Project
GDP Gross Domestic Product
GEO Global Environment Outlook
GESI Gender Equality and Social Inclusion
GHG Greenhouse Gases
GIIN Global Impact Investing Network
GIZ German Development Cooperation
G-SIB Global Systemically Important Bank
GSS Green, Social and Sustainability
I4CE Institute for Climate Economics
ICAP International Carbon Action Partnership
ICJ International Court of Justice
ICMA International Capital Markets Association
IDFC International Development Finance Club
IDH Sustainable Trade Initiative
IEA International Energy Agency
IFRS International Financial Reporting Standards
IISD
International Institute for Sustainable
Development
IMF International Monetary Fund
IPs Indigenous Peoples
IPBES
Intergovernmental Science-Policy Platform on
Biodiversity and Ecosystem Services
IPCC Intergovernmental Panel on Climate Change
ISIC
International Standard Industrial
Classification
ISSB
The International Sustainability Standards
Board
IUCN International Union for Conservation of Nature
xi | UNEP | State of Finance for Nature 2026
KPI Key Performance Indicators
LCs Local Communities
LDN Land Degradation Neutrality
LEAP
Land Restoration and Environmental Action
Plan
LSEG London Stock Exchange Group
MAgPIE
Model of Agricultural Production and its
Impact on the Environment
MDB Multilateral Development Bank
MPA Marine Protected Area
MSC Marine Stewardship Council
MSCI Morgan Stanley Capital International
NAP National Adaptation Plans
NbS Nature-based Solutions
NBSAP National Biodiversity Strategy and Action Plan
NCFF Natural Capital Financing Facility
NDC Nationally Determined Contribution
NGFS Network on Greening the Financial System
NGO Non-Governmental Organization
NPI Nature Positive Initiative
ODA Official Development Assistance
ODF Official Development Finance
OECD
Organization for Economic Co-operation and
Development
OOF Other Official Flows
PEFC
Programme for the Endorsement of Forest
Certification
PES Payment for Ecosystem Services
R&D Research and Development
REDD+
Reducing Emissions from Deforestation and
Forest Degradation
RSPO Roundtable on Sustainable Palm Oil
SBTN Science Based Targets Network
SDGs Sustainable Development Goals
SEEA
System of Environmental Economic
Accounting
SFN State of Finance for Nature
SLM Sustainable Land Management
SNAT Supranational Entities
SSC Sustainable Supply Chain
TA Technical Assistance
tC02e Ton of carbon dioxide equivalent
TNC The Nature Conservancy
TNFD
Taskforce on Nature-related Financial
Disclosures
TRBC The Refinitiv Business Classification
UNCBD
United Nations Convention on Biological
Diversity
UNCCD
United Nations Convention to Combat
Desertification
UNEA United Nations Environment Assembly
UNEP United Nations Environment Programme
UNEP FI
United Nations Environment Programme
Finance Initiative
UNFCCC
United Nations Framework Convention on
Climate Change
UoP Use of Proceeds
VCM Voluntary Carbon Market
WB World Bank
UNEP
WCMC
UN Environment Programme World
Conservation Monitoring Centre
WEF World Economic Forum
WRI World Resources Institute
WWF World Wide Fund for Nature
xii | UNEP | State of Finance for Nature 2026
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xiii | UNEP | State of Finance for Nature 2026
Executive Summary
The 2026 edition of the State of Finance for Nature
highlights the urgent need to get the wheel turning
on the ?Big Nature Turnaround?. This report sets
out the latest numbers and offers a new approach
to accelerate the urgent transition to phase out
nature negative finance and to scale up investment
in Nature-based Solutions (NbS) and nature ? the
Nature Transition X-Curve. Globally, finance flows
continue to be heavily skewed toward nature-
negative activities, which threaten ecosystems,
economies and human well-being. Nearly half our
global economy significantly depends on nature and
yet governments, business and finance continue to
erode our collective nature bank account.
Business-as-usual locks us deeper into further
degradation of ecosystems, but governments,
corporates, consumers and investors have the
power to redirect flows and unlock resilience, equity
and growth. In 2023, finance directly harmful to
nature reached US$7.3 trillion, while investments
in nature-based solutions (NbS) amounted to only
US$220 billion ? a ratio of more than 30:1 (Figure
ES.1). To meet global commitments under the Rio
Conventions, NbS investment must increase by
more than two and a half times to US$571 billion by
2030, while harmful flows must be phased out and
repurposed.1
1 The year of analysis (aggregation and comparison) for SFN 2026 is 2023.
While some data is available for 2024, 2023 data is used as it the most
recent year for which data is consistently available. Estimates are expressed
in real 2024 US$. SFN 2023 was based on 2022 data.
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There is some good news. We understand better
the scale of finance flows to NbS, in the space of
billions of dollars, as well as the true scale of global
nature-negative finance, in the space of trillions of
dollars. There are signs of financial capital looking to
better understand its dependencies, impacts, risks
and opportunities (DIRO) related to nature, with over
730 adopters of the Taskforce on Nature-related
Financial Disclosure (TNFD) representing assets
under management of US$22.4 trillion. While not
underestimating the severe degradation of nature,
we should recognise the opportunities for growth
that a transition towards nature-positive outcomes
and finance can offer.
Nature-negative finance
Nature-negative finance remains the greatest
obstacle to transition societies to become more
nature positive. In 2023, US$7.3 trillion flowed into
activities that directly damage nature ? US$2.4
trillion in public subsidies for fossil fuels, agriculture
and water use, and US$4.9 trillion from private
capital concentrated in sectors such as utilities,
industrials, energy and basic materials (Figure ES.2).
Figure ES.1: Nature-negative finance and NbS finance flows in 2023 and future NbS investment needs
US$2.4 tn
public EHS
US$4.9 tn
private
2030 20502023
US$571 bn
US$220 bn
US$771 bn
NbS investment needs
to increase by > 2.5 times to
US$571 billion by 2030
US$220 billion in NbS finance
90% (US$197 billion) is public finance
US$7.3 trillion in public and private
nature-negative finance flows
30X greater than NbS finance
NbS investment needed
NbS finance flow in 2023
Nature-negative finance (public)
Nature-negative finance (private)
xv | UNEP | State of Finance for Nature 2026
Utilities
Industrials, incl. healthcare
and technology
Energy Basic materials
Consumer
(non)cyclicals
US$4.9 trillion
PUBLIC
(Environmentally harmful subsidies)
PRIVATE
(Bonds, loans, equity)
Agriculture 0.41 0.40Water
Fossil fuel 1.13
Transport
0.18 0.15
Fishery
0.06
Others
0.07
1.58 1.38
0.79 0.74 0.43
US$2.4 trillion
Construction
These flows undermine progress on climate,
biodiversity and nature restoration. Reforming
and redirecting this capital are powerful levers for
change. Cutting harmful subsidies and shifting
private portfolios away from destructive activities
can unlock resources and create space for NbS and
nature-positive investment.
Nature-based solutions finance
Total finance for NbS reached US$220 billion in
2023, a five per cent increase since 2022. Public
finance flows to nature-based solutions are eight
times bigger than private finance flows.
Figure ES.2: Nature-negative finance flows of 7.3 trillion in 2023 (trillion US$)
Note: Authors? calculations. Data for Environmentally Harmful Subsidies from IISD-OECD (2025), Organization for Economic Co-operation and
Development (OECD) (2024a). Data for private finance flows based on Refinitiv/LSEG and ENCORE (2024).
xvi | UNEP | State of Finance for Nature 2026
Public finance
Public domestic expenditure is the largest source
of NbS finance at US$190 billion in 2023 (up four
per cent from 2022). Expenditure on biodiversity
and landscape protection grew significantly (up 11
per cent), while support for agriculture, forestry and
fishing fell. Despite its size, public domestic spending
remains modest compared to environmentally harmful
subsidies (EHS), which exceed US$2 trillion annually.
Aligning national budgets with commitments to halt
and reverse biodiversity loss, climate targets and land
degradation neutrality, is critical for human well-being
and sustainable economic growth.
Official Development Finance (ODF) for NbS continues
to increase, reaching US$6.8 billion in 2023, a 22 per
cent increase from 2022 and 55 per cent higher than in
2015. ODF remains a critical enabler for scaling NbS in
developing countries. However, ODF budgets are under
heavy pressure in 2024 and 2025 due to the geopolitical
situation, which will likely constrain future flows.
Private NbS finance
Private NbS finance of US$23.4 billion in 2023 remains
small in absolute terms but shows positive momentum.
Biodiversity offsets channelled over US$7 billion,
certified commodity supply chains over US$4 billion,
Figure ES.3: Public and private finance flows to nature-based solutions of US$ 220 billion in 2023 (US$ billion)
82.2 66.3
15.1 15.0
11.6
0.30.90.40.9
Biodiversity
Sustainable agriculture,
forestry, fisheries
Wastewater
management
Pollution
abatement
Environmental
policy & other
Private finance mobilised by ODF PhilanthropyVoluntary carbon credits
Biodiversity
offsets
Compliance carbon credits
Payment
for ecosystem
services
Certified
commodity
supply chains
6.8
4.64.2
5.17.1
Bonds and
funds
Official development
finance (intl.)
PUBLIC
197
US$ billion
23.4
PRIVATE
US$ billion
xvii
xvii | UNEP | State of Finance for Nature 2026
biodiversity-related bonds and funds around US$5
billion and nature-based carbon markets US$1.3
billion. While modest compared to investment needs,
these flows demonstrate strong potential. With the
right enabling environment, standards and risk-sharing
instruments, private capital could scale rapidly and
become a game changer in closing the NbS finance
gap. Mobilising private finance is essential to build a
trillion-dollar nature transition economy.
Policy and transition
Getting the wheel turning on the ?Big Nature
Turnaround? requires a decisive shift in how
finance is allocated. The Nature Transition X-Curve
illustrates the dual challenge of phasing out
harmful finance while scaling up NbS. This is not
just an environmental agenda but an economic
transformation: redirecting harmful subsidies,
integrating NbS into fiscal frameworks and
mobilising private finance to redirect sectors
towards resilience and long-term value creation.
Key priorities for action include:
? Reforming harmful subsidies and aligning
budgets with Rio Convention goals.
? Scaling government investment in NbS,
particularly public goods.
? Government regulation and incentives to align
investment with the value of nature and its
services.
? Mandating disclosure of nature-related risks
and impacts to shift incentives.
? Expanding blended finance and de-risking
instruments and developing high integrity nature
markets to mobilise private capital at scale.
The transition requires leadership, policy reform
and coordinated action across governments,
financial institutions and companies in the real
economy. Applying the X-Curve as a roadmap
for change can help identify transition pathways,
sequencing and investment priorities. Turning
the wheel towards nature-positive finance is
essential: to meet 2030 targets under the Rio
Conventions, to safeguard ecosystems and
livelihoods and to build resilient, inclusive and
sustainable economies for the future.
Figure ES.4: Transition pathways to nature-positive outcomes
Activities with
negative impacts
on nature
Knowledge
Activities with
positive impacts
on nature
Engagement
and equity
Living in harmony with nature
Land degradation neutrality
Limiting global warming
to 1.5° C
Achieving Rio
Convention targets
Vision Scaling up Engagement and equityPhasing out Knowledge
Vision
Human and planetary
well-being based on
investing in nature and
economic activity that
builds resilience
Nature-
positive
outcomes
Nature-
negative
outcomes
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1
The global community has a window of opportunity
to spark a ?Big Nature Turnaround? by 2030. Why
now? Because there has never been greater
awareness of the nature crisis ? its underlying
causes, the severity of its impacts and material
implications for governments, citizens, businesses
and financial institutions. The reality is stark:
without nature, the foundation of our economy
collapses. Since 1970, 73 per cent of nature?s wildlife
populations have vanished (Worldwide Fund for
Nature [WWF] 2024). With at least half our economy
moderately or highly dependent on services from
nature (World Economic Forum [WEF] 2020; Evison
et al. 2023), we continue to erode our collective
natural bank account.
However, this trajectory can be reversed through
forward-looking strategies and a clear vision that
safeguard the health of the planet and the well-being
of current and future generations. Governments
and business leaders can embed nature into key
economic sectors ? unlocking what could become a
trillion-dollar nature transition economy. Investment
in nature-based solutions (NbS) is the ?maintenance
bill? for keeping natural infrastructure going through
protection, sustainable use and restoration.
The State of Finance for Nature (SFN) 2026 report
builds on the call of SFN 2023 for a ?Big Nature
Turnaround? ? to repurpose trillions in global
investment away from nature-destructive activities
towards nature-based solutions. To spur the urgent
action needed, this report provides a snapshot
of where we are now and introduces a Nature
Transition X-curve framework to identify what
activities must be phased out and what can be
scaled up to begin this turnaround.
Future SFN reports will focus on tracking progress.
Real action involves identifying and investing in
nature-positive opportunities across all sectors
of the economy, not confining action to the usual
Setting the scene
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realm of NbS in forestry, agriculture and landscape
restoration. In 2030, SFN aims to provide a stocktake
of how finance from governments, corporates
and financial institutions is doing on the journey
to meet the nature-related goals of the three Rio
Conventions1, particularly Global Biodiversity
Framework (GBF) goals.
Now is the time to assess where we stand and how
to set the ?Big Nature Turnaround? in motion.
1.1 Is the world on track?
This report is published at a time of enormous geo-
political instability and challenges. Financing of
economic activity in the global economy continues
to significantly harm nature. Poor management of
nature?s wealth is driven by entrenched systems
of production, energy and infrastructure that
damage and extract from nature (Intergovernmental
Science-Policy Platform on Biodiversity and
Ecosystem Services [IPBES] 2019). Agricultural
expansion to increase food supply in the short
term often degrades soil fertility, water availability
and ecosystem resilience, reducing long-term
productive capacity and food security (Moretti et
al. 2025). Persistent financing of activities that
harm nature accelerates the degradation of nature
and exacerbates inequalities (United Nations
Environment Programme [UNEP] 2016).
The climate crisis continues to unfold at alarming
speed. The planet experienced its hottest year on
record in 2024 (United Nations [UN] 2025). Current
policies put us on a trajectory of temperatures
increasing more than 2.5°C above pre-industrial
levels by the end of the century (UNEP 2024).
Increases in temperature could reduce global Gross
Domestic Product (GDP) by up to 15 per cent by
2050 (Network for Greening the Financial System
[NGFS] 2024), significantly higher than previous
estimates. Droughts are projected to affect three in
four people by 2050 and combined damage costs of
land degradation, desertification and drought (DLDD)
amount to at least US$878 billion each year
1 United Nations Framework Convention on Climate Change
(UNFCCC), Convention on Biological Diversity (CBD) and United
Nations Convention to Combat Desertification (UNCCD).
(International Union for Conservation of Nature
[IUCN] 2025). Seven of nine planetary boundaries
have been transgressed ? the planet is now outside
a safe operating space for humanity (Planetary
Boundaries Science 2025).
However, policies and frameworks to ensure the
assessment and disclosure of nature dependencies,
impacts, risks and opportunities (DIRO) by business
and finance are being developed through initiatives
such as the Taskforce on Nature-related Financial
Disclosure (TNFD) and Nature Positive Initiative
(NPI). In many regions of the world, actions are
being implemented to reduce and manage negative
impacts on nature. This trend is reinforced by
growing financial investment in nature, with NbS
contributing to tackling global challenges and to
nature-positive outcomes.
In some jurisdictions, the fiduciary duty of finance
leaders to accept environmental risks and challenges
is being challenged in the courts. In others,
hard-fought environmental regulations are being
undermined, creating uncertainty and potentially
inaction. Despite this, there are grounds for optimism
based on greater awareness, better data and growing
commitment among leaders to transition, which can
provide the foundation for accelerated action and
investment to support a nature-positive future.
1.2 How this report helps
SFN provides a financial assessment and technical
analysis that supports policymakers, businesses,
financiers and civil society to make informed
decisions about investing in NbS and reducing
nature-negative capital flows. It was created to
provide up-to-date information and to detect trends in
public and private investment for NbS, placing these
in the context of systemic capital shifts needed to
meet global goals on biodiversity, climate and land.
While the report may appear technical, we encourage
readers to interpret the findings by imagining what
a more climate resilient and nature-positive society
looks like and how it can become a reality through
changes in fiscal policies, public policy, procurement
and capital expenditure decisions.
4 | UNEP | State of Finance for Nature 2026
SFN reports track investment in NbS, which are
activities that deliver net gains for biodiversity and
nature contributing to nature-positive outcomes.
NbS involve protecting, managing and restoring
nature to address societal challenges and benefits
for biodiversity, climate and people. NbS include
?actions to protect, conserve, restore, sustainably
use and manage natural or modified terrestrial,
freshwater, coastal and marine ecosystems, which
address social, economic and environmental
challenges effectively and adaptively, while
simultaneously providing human well-being,
ecosystem services and resilience and biodiversity
benefits? (UNEP 2022).
1.3 Recognising the potential of
nature-based solutions
NbS are critical for achieving the societal goal of
the Global Biodiversity Framework (GBF) to ?halt
and reverse nature loss by 2030 on a 2020 baseline
and achieve full recovery by 2050?. Investing in NbS
contributes to nature-positive outcomes and to the
societal goal of the GBF. NbS are explicitly positioned
by UNEP as a bridge across the objectives of all three
Rio Conventions:
NbS provide adaptation and
mitigation benefits, for example,
through carbon sequestration,
flood protection and climate-
resilient landscapes.
NbS restore and protect
biodiversity and ecosystem
services, integral to deliver the
GBF.
NbS address land degradation
by promoting sustainable
land management and
restoration practices that halt
desertification and enhance
ecological productivity.
This report frames NbS as key contributions to
nature-positive outcomes. Strategies to achieve
nature-positive outcomes must build from the
approach of the mitigation (and conservation)
hierarchy. By rooting nature-positive ambitions
in the mitigation hierarchy, conservation, policy
and finance initiatives can avoid the risks of weak
implementation and ?net gain? claims that do not
stand up to scientific scrutiny (Maron et al. 2024).
NbS can be highly cost-effective interventions,
particularly when the multiple public and private
benefits of ecosystem services are accounted for. A
review of NbS for disaster risk reduction found that
in 65 per cent of projects NbS were more effective
in reducing hazards compared to engineering-based
solutions (Vicarelli et al. 2024). NbS can also deliver
competitive returns - restoring degraded lands can
yield US$ 7?30 for every dollar invested (Verdone et
al. 2017). When designed with a gender lens, NbS
can enhance women?s livelihoods, strengthen food
and water security and amplify the local knowledge
systems of Indigenous Peoples (IPs) and local
communities (LCs) that are essential for long-term
success of ecological restoration (UNEP Finance
Initiative [UNEP FI] 2025).
Recognition of nature?s opportunity in all sectors
of the economy is expanding. Ask most banks and
investors what investing in nature means to them and
they will most likely be thinking of ?bees, trees and
farmers?. In fact, nature investment opportunities
are far broader including food systems, utilities,
construction, infrastructure, extractives, chemicals
and other ?real economy? sectors. Other than in a few
dedicated funds and loan products, recognition of
these opportunities in the finance sector is weak but
is set to grow supported by existing and forthcoming
guidance from NPI, TNFD, Global Canopy and others.
Whilst NbS have focused on the forestry, infrastructure
and agriculture sector, investable opportunities that
use products or services from nature are becoming
far more widespread. Governments too should take
account of these emerging opportunities and seek
ways to foster them.
Take for example the construction industry. At a
start-up scale, the use of bacteria infused into
concrete is enabling it to ?self-heal? by repairing
cracks with limestone that the bacteria create,
potentially extending the life of buildings and
5 | UNEP | State of Finance for Nature 2026
reducing costs (Rajadesingu et al. 2024). Sponge
cities currently create floodable wetlands, city
parks and permeable pavements to absorb water
from storms, avoiding overwhelming drainage
systems unable to cope with floods (Mirsafa et
al. 2025). In apparel, fungi are being transformed
into leather products to create footwear that can
be digested in waste once discarded (Jones et
al. 2020; Amobonye et al. 2023). In the future,
precision fermentation and vertical farming threaten
to disrupt traditional food value chains (Gao et al.
2025), delivering high quality produce near or within
cities, avoiding air miles, carbon-based energy and
synthetic pesticides. Innovations such as these
offer significant investment opportunities in sectors
that investors are familiar with and can increase the
attraction of nature as an asset class for finance,
whilst potentially reducing impacts on nature by,
for example creating food without land or by using
nature in cities to prevent floods.
Awareness and action in the financial sector are
rising. While investing in NbS is essential, to turn
the wheel to prevent further nature loss requires
the urgent reallocation of global capital at a much
broader scale. Reaching climate, biodiversity and
land targets requires tackling the US$7.3 trillion in
finance that drives nature-negative outcomes. This
demands action beyond traditional NbS, across
food systems, utilities, construction and other high-
impact sectors. Finance flows that support nature-
negative outcomes need to be reduced and phased
out, while NbS and finance with nature-positive
outcomes is phased in and scaled up.
Finance, business and regulators are beginning
to identify, assess and address dependencies,
impacts and risks and opportunities related to
nature. The banks and supervisors Network for
Greening the Financial System (NGFS) acknowledges
that nature-related financial risks can have
significant macroeconomic implications, and that
failing to identify, mitigate and adapt to these
risks poses a serious threat to financial stability
(NGFS 2022; NGFS 2024). This recognition is
driving policies requiring corporates and financial
institutions to assess and disclose impacts and
dependencies on nature and the development of
integrated climate-nature transition plans e.g.
the European Union (CSRD). While most investors
acknowledge the need to integrate impacts and
dependencies on nature into financial decision-
making (International Financial Reporting Standards
[IFRS] 2025), many more must assess and disclose
their natural capital impacts and dependencies (Trim
et al. 2025).
The TNFD provides guidance on assessments and
transition planning. Over 730 organizations are now
registered as TNFD Adopters to use its reporting
and risk management framework, including 179
financial institutions representing US$22.4 trillion
in assets under management and 25 per cent of
the world?s systemically important banks (G-SIB).
These developments, along with recent advisory
opinion by the International Court of Justice (ICJ)
on the obligations of States related to environmental
protection and human rights (ICJ 2025), signal
rising risks of litigation if impacts on nature are not
addressed as part of transition plans, provide a basis
to reduce nature-negative capital flows.
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1.4 Redefining the role of the private
sector
A fundamental paradigm shift is beginning to emerge
in how we conceptualise private finance?s role in
causing the degradation of nature across sectors
and its opportunity to restore nature and enhance
its sustainable use. The most significant opportunity
lies in halting ongoing environmental degradation
across existing business operations. This represents
a more pragmatic and scalable approach: minimising
negative impacts while strategically investing in
transitional opportunities that align financial returns
with environmental outcomes.
The focus on impact mitigation finance,
encompassing sustainable supply chain investments,
circular economy initiatives and financing for
companies transitioning away from harmful practices,
recognises a critical economic reality: preventing
environmental damage is typically more cost-effective
than attempting restoration after irreversible loss
occurs. This approach opens substantial markets in
emerging nature-positive sectors, including clean
technology, sustainable materials and regenerative
agriculture, where private capital can simultaneously
drive innovation and scale solutions.
Learning from climate finance evolution
The biodiversity crisis demands an urgent
transformation in how we mobilise financial
resources for environmental protection. Unlike
climate finance, which had decades to develop
sophisticated frameworks and markets, nature-
related finance must accelerate rapidly to address
the alarming pace of ecosystem degradation and
biodiversity loss. This report examines how private
sector financial institutions and corporates in the
real economy can effectively channel unprecedented
interest in nature towards strategies that can steer
their portfolios within planetary boundaries.
The climate finance sector?s development of
?financed emissions? methodologies provides a
crucial template for understanding the nature-
related impact of financial portfolios. UNEP FI has
developed practice targets for banks and is piloting
impact targets that advance beyond operational
improvements to measurable outcomes for nature.
Combined with the Science-based Targets for Nature
(SbTN) and Finance for Biodiversity Foundation
(FfBF) work with investors, this work is moving the
financial sector towards a standardised, consistent
and robust equivalent for nature of financed
emissions metrics at a whole of portfolio level.
Evolving understanding of nature finance
A persistent challenge that undermines progress
is the disconnect between how different actors,
particularly finance institutions and companies,
understand ?nature finance? compared to the
conservation community. Different definitions,
measurement approaches and expectations create
barriers and missed opportunities that must be
addressed. The narrative around finance for nature
has evolved with the emphasis shifting from finance
for restoration activities towards the much greater
task of comprehensive economic transformation
aligned with net-zero, nature-positive and social
justice outcomes. This evolution emphasises the
need for a much more significant transformation
of how governments, companies and financial
institutions value natural assets and integrate
nature-related considerations across portfolios and
decision-making processes.
This landscape has undergone substantial
refinement in recent years, with sharper definitions,
more sophisticated stratification of nature-related
strategies, new asset classes supporting nature
investment or mainstreaming and increasingly
rigorous scrutiny of instruments like offsets and
other market mechanisms. A particularly significant
development has been the recognition of transition
finance as a critical component to reach nature
goals, akin to net-zero transition finance. While
absent from earlier SFN reports, transition finance
is now understood as essential for addressing the
challenge of systemic economic transformation
needed to stay within planetary boundaries.
These conceptual advances are depicted in the
?Finance for Nature Positive? working model (Figure
7 | UNEP | State of Finance for Nature 2026
1), which offers a complementary framework, based
on impact, to SFN?s activity-based categorisation.
This layered model emphasises the contribution
of financial activities toward the societal nature-
positive goal, focusing on transformative strategies,
mitigation measures, whole-of-portfolio coherence
and enabling systemic change. The model structures
nature-related financial opportunities and asset
classes by their contribution to nature positive via
three transformative levels:
? Compliance with the mitigation hierarchy:
Finance to avoid or manage adverse impacts
e.g. ?do no harm?, basic regulatory compliance,
ESG screening, offsets if required by law.
? Transformative actions for GBF implementation:
Direct finance contributing to positive outcomes
e.g. sustainable use, active restoration,
measurable biodiversity gains, solutions that
transform value chains.
? Organizational strategy and governance: Asset
classes and activities structured into coherent
portfolios that shift value chains at scale.
Coherence between the portfolio-level strategy
and individual transactions supported through
target-setting and metrics.
Figure 1: ?Finance for nature-positive? working model
Source: UNEP FI and FfBF 2024
Remaining risks of adverse impacts
ObjectivesDefinitions
Adherence
to international
standards
Broad economic
transition
Measurable positive
outcomes
Monitoring
of contributions to
positive outcomes
Nature impact
mitigation finance
Nature finance
Nature
(mainstreaming)
finance
Level 3: Organization strategy and governance
Goals
Strategies
Governance
Avoid losses Biodiversity gains Transform value chains
Avoid
Sustainable use
Reduce Restore &
regenerate
Conservation &
restoration
Solutions &
enablers
Sustainable use Conservation &
restoration
Solutions &
enablers
Transform
Manage
phase out
Reduce drivers
of loss
Generate
biodiversity gains
Support system
changes
Finance
for nature
positive
Transformative levels toward the improvement of the state
of nature above the 2020 baseline
Level 1: Compliance with the mitigation hierarchy
Level 2: Transformative actions for Global Biodiversity Framework implementation
8 | UNEP | State of Finance for Nature 2026
SFN 2026 maintains continuity with earlier editions,
definitions and scope while acknowledging
the ongoing debates and momentum toward
harmonising definitions across different user groups
and jurisdictions. This report deals with only two
categories within the nature finance spectrum:
? Finance for NbS: targets investments in
projects using natural systems to address
societal challenges, such as carbon
sequestration via reforestation, generating
measurable environmental outcomes alongside
financial returns.
? Nature-negative finance comprises finance
that directly harms nature and should be phased
out or redirected.
The report does not explicitly cover Impact
Mitigation Finance, Mainstreaming Finance or
Transition Finance due to the absence of agreed
global definitions and limited data availability.
Impact Mitigation Finance focuses on reducing
negative environmental impacts across existing
portfolios, including financing for companies
transitioning from harmful practices and supporting
circular economy initiatives. Transition Finance
supports the fundamental transformation of high-
impact sectors toward nature-positive practices,
financing their evolution rather than divesting from
problematic industries. While Mainstreaming Finance
integrates nature considerations into all financial
decision-making processes, embedding biodiversity
factors into standard risk assessment and portfolio
construction, these concepts lack the definitional
consensus seen in climate-related finance.
Although Multilateral Development Banks (MDBs)
are beginning to track some of these flows with
varying interpretations, the absence of standardised
frameworks prevents comprehensive assessment.
Despite this data gap, these financing approaches
remain fundamental to achieving the ?Big Nature
Turnaround? and merit inclusion in future iterations
as definitions and tracking mechanisms mature.
1.5 Nature Transition X-curve and the
?Big Nature Turnaround?
A ?Big Nature Turnaround? is urgently needed to
repurpose the US$7.3 trillion of nature-negative
finance from public and private sources. In Chapter
5 we introduce the Nature Transition X-Curve as a
tool to help governments, finance, business and civil
society to plan transition pathways towards a nature-
positive economy.
The remainder of this report builds on the urgent
need to turn the wheel away from nature-negative
activities, to scale NbS and transition finance
planning across all sectors of the economy and to
get on a pathway towards nature positive outcomes.
Chapter 2 assesses public and private finance
flows that have a direct negative impact on nature,
including public subsidies and private capital.
Chapter 3 assesses the state of finance for NbS.
Chapter 4 estimates the investment needed to limit
climate change to 1.5°C, reach 30by30 and land
degradation neutrality by 2030. Finally, Chapter 5
explores how to phase out nature-negative finance
across the economy, and how to scale up transition
finance, including through NbS finance and to drive
the system changes needed for a nature-positive
future.
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2
This chapter provides an overview of global finance
flows that contribute to nature-negative outcomes,
including public finance through environmentally
harmful subsidies (EHS)1 and private finance and
investment in sectors with direct negative impacts on
nature.2
1 Environmentally harmful subsidies are defined as finance flows from
government policies or programs that encourage unsustainable production
or consumption and harm nature through resource depletion, ecosystem
degradation or adverse impacts on planetary health (Reyes-Garcia 2025).
Direct public expenditure and procurement causing environmental harm are
not included due to data limitations.
2 The year of analysis (aggregation and comparison) for SFN 2026 is 2023.
While some data is available for 2024, 2023 data is used as it the most recent
year for which data is consistently available. Estimates are expressed in real
2024 USD.
Annual finance flows from public and private
sources that have a direct negative impact on
nature are estimated at US$7.3 trillion in 2023
(Figure 2). Public finance flows through EHS are
roughly US$2.4 trillion and are dominated by subsidies
to fossil fuel (US$1.1 trillion), followed by agriculture
and water (both US$0.4 trillion) and significant
support to transport, construction and fisheries.
Private nature-negative flows of around US$4.9 trillion
are heavily concentrated in a few high-impact sectors:
utilities (US$1.6 trillion), industrials (US$1.4 trillion),
energy (US$0.7 trillion) and basic materials, including
fertilizers and agricultural inputs (US$0.7 trillion).
Private nature-negative flows account for two-thirds of
nature-negative flows in 2023.
Tracking
nature-negative finance
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Figure 2: Nature-negative finance flows of US$7.3 trillion in 2023
Note: Authors? calculations. Data for Environmentally Harmful Subsidies from IISD-OECD (2025), OECD (2024a). Data for private negative
finance flows from London Stock Exchange Group (LSEG) and ENCORE (2025).
Public subsidies and private investments often
reinforce each other, locking private capital into
nature-negative sectors such as the fossil fuel
industry. A significant share of private nature-
negative investment flows into industries that receive
substantial public support through environmentally
harmful subsidies. These subsidies include below-
market prices for government-provided goods
and services that harm nature, for example, free
or underpriced water that depletes aquifers for
irrigation. Private finance in nature-negative sectors
benefits indirectly from fossil fuel subsidies, as
cheap energy cascades through the economy by
reducing the costs of fertilizers and pesticides
(Victor 2009).
2.1 Public nature-negative finance
Public finance flows to EHS are estimated at
US$2.4 trillion in 2023, down 18 per cent from
historically high levels in 2022 (Figure 3). The
fossil fuel sector received the largest share (47 per
cent) of EHS followed by agriculture and water (17
per cent each).
The decline in 2023 levels of EHS is attributed
to a reduction in fossil fuel subsidies. Fossil
fuel subsidies had almost doubled from 2021 to
US$1.78 trillion in 20223 due to the energy crisis
3 IISD-OECD (2025) estimate based on OECD, IEA and IMF includes only explicit
subsidies, e.g. subsidies that undercharge on supply costs. A higher estimate
of US$7 trillion in 2022 from IMF (2023) includes implicit subsidies, e.g.
subsidies that undercharge for negative externalities such as global warming
and air pollution.
Utilities
Industrials, incl. healthcare
and technology
Energy Basic materials
Consumer
(non)cyclicals
US$4.9 trillion
PUBLIC
(Environmentally harmful subsidies)
PRIVATE
(Bonds, loans, equity)
Agriculture 0.41 0.40Water
Fossil fuel 1.13
Transport
0.18 0.15
Fishery
0.06
Others
0.07
1.58 1.38
0.79 0.74 0.43
US$2.4 trillion
Construction
12 | UNEP | State of Finance for Nature 2026
triggered by the Russian Federation?s invasion of
Ukraine (International Energy Agency [IEA] 2023).
Governments across Europe and the United States of
America increased consumption subsidies to protect
households and industry from the adverse impacts
of rising energy prices. Although some measures
have been phased-out, fossil fuel subsidies remain
more than double 2020 levels due to inertia in
support structures despite international agreements
on phase out.
Figure 3: Public finance: Environmentally harmful subsidies, 2019?2023 (trillion US$)
Note: Authors? calculations. Data from IISD-OECD Fossil fuel subsidies tracker (2025), OECD (2024a; 2024b) and EarthTrack (2022; 2024).
Agricultural EHS include direct and indirect transfers
that artificially raise crop prices or promote overuse
of inputs like fertilizers or pesticides, leading to
unsustainable agricultural practices, overproduction,
land conversion and deforestation. While agricultural
EHS have declined slightly since 2021, they remain
above 2019 levels.
EHS take many forms across jurisdictions and
sectors, including cash transfers, tax breaks, below-
market pricing, liability caps, regulatory exemptions
and preferential credit (de Bruin et al. 2023). Table 1
provides some examples of EHS with types of fiscal
support that drive trillions in public nature-negative
finance.
0.06
0.10
0.10
0.40
2019
0.03
0.04
0.06
0.10
0.10
0.40
2020
0.03
0.04
0.06
0.10
0.10
0.40
2021
0.03
0.04
0.06
0.10
0.10
0.40
2022
0.03
0.04
0.03
0.04
0.15
0.18
0.40
0.06
1.8
1.7
2.1
2.9
2.4
2023
Non-energy mining
Plastics
Construction
Fisheries
Agriculture
Transport
Water
Fossil Fuel
0.40
0.72
0.46
0.50
0.49
0.93
0.43
1.78
0.41
1.13
13 | UNEP | State of Finance for Nature 2026
Table 1: Environmentally harmful subsidies by sector
Fossil fuels Subsidies on production and consumption, exemptions on fuel taxes,
underpriced energy.
Agriculture Support that raises the price of output beyond the market price, output
subsidies conditional on achieving a high-level of output, synthetic fertilizer
and pesticide subsidies ? altogether keeping production and input use
artificially higher, exacerbating the pressure on environment from agriculture.
Fisheries Fuel subsidies for fishing fleets, subsidies for fleet capacity expansion, below
market usage fees for ports encouraging overfishing.
Water Under-pricing of water for irrigation and industrial uses, cost-recovery based
utility rates leading to unsustainable extraction and consumption of water.
Transport Underpriced road use, maritime and aviation taxes, incentives on vehicle
purchases.
Construction Tax breaks, energy subsidies for cement/steel industries.
Plastics Subsidies on non-energy inputs such as feedstock chemicals.
many harmful subsidies are embedded in policies
and hard to isolate. Efforts to remove or redirect
subsidies often face structural barriers, e.g.
subsidies may be entrenched in tax or fiscal systems
(Clingendael International Energy Programme
[CIEP] 2020). Efforts to reform subsidies must
consider social equity in addition to environmental
impact. Gender responsive fiscal reform, such as
redirecting fossil fuel subsidies to clean cooking
initiatives or regenerative agriculture programs
targeted at women smallholders can improve both
environmental and gender outcomes (International
Institute for Sustainable Development [IISD] 2016).
Chapter 5 explores the policies and actions needed
for politically feasible reform and a just transition.
In addition to EHS, public finance to nature-
negative activities includes direct investment
in infrastructure, housing, dams and extractive
industries. Selomane et al. (2025) estimate nature
negative government expenditure at US$245 billion
in 2022 based on public domestic expenditure in
sectors identified as nature negative: agriculture,
forestry, fishing and hunting; fuel and energy;
and mining, manufacturing and construction. As
subsidies to these sectors are captured in the
sectors covered above, they are not included
separately in this analysis.
Determining how subsidies can be repurposed to
support sustainable outcomes is a challenge ?
14 | UNEP | State of Finance for Nature 2026
2.2 Private nature-negative finance
Private nature-negative finance is estimated
at US$4.9 trillion in 2023.4 Despite growing
recognition of the materiality of biodiversity and
climate risk, private nature-negative investment
remained persistently high at roughly US$5?6 trillion
from 2020 to 2023, suggesting limited progress
in decoupling capital from nature degradation
(Figure 4).5 In 2024, private nature-negative finance
increased by 12 per cent to US$5.5 trillion.6
Private nature-negative finance is highly
concentrated in a few sectors. Utilities absorbed
the largest share at US$1.6 trillion, followed by
industrials (US$1.4 trillion). Basic materials reached
US$0.7 trillion, including construction, metal, mining
and chemicals as key drivers of nature-negative
outcomes. The magnitude and distribution of these
finance flows highlight the need to reallocate capital
from infrastructure-heavy and resource-extractive
sectors to reduce systemic nature risk.
On a positive note, private investment harmful to
nature such as oil and gas investments declined
from US$990 billion in 2020 to US$519 billion
in 2023, reflecting a 48 per cent decrease over
four years. This trend is consistent with growing
recognition of nature-related risks as material to
financial stability (NGFS 2022; IPBES 2024) and the
decreasing costs of renewable energy production
(Luderer et al. 2021; Intergovernmental Panel on
Climate Change [IPCC] 2022.
4 Financial sector excluded. Estimates are likely underestimated. Private
investment in infrastructure projects in primary markets has been stagnant for
eight years running at between US$150 billion to US$175 billion from 2017-22
(Global Infrastructure Hub based IJ Global data).
5 Estimates based on global private capital investment data from 2020?24,
grounded in a standardised materiality assessment (ENCORE 2025), which
evaluates the environmental impact of economic activities based on pressure
indicators (see technical annex). Building on SFN 2023, the analysis is extend-
ed over time and sector-asset class disaggregation to better inform policy and
investment strategies.
6 While 2024 data point are available for some sources of private nature
negative and NbS finance, 2023 data is used for the aggregate analysis of
finance flows to allow consistent comparison.
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Figure 4: Private nature-negative finance flows, 2020?24 (billion US$)
Source: Own illustration based on data from Refinitiv/LSEG, ENCORE (2025).
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
2020 2021 2022 2023
6,023 6,030
5,167 4,920
2024
5,533
Private nature-negative finance flows by sector in 2023
in billion US$
204
1,269
60 49 119
161
100
128
731
518
313
323
11411914463 37
41
37
86
42
98
56 1927
58
Construction & engineering
Aerospace &
defense
Passenger
transportation
services
Others Machinery,
tools...
Healthcare
equipment
Professional
& commercial
services
OthersHome
building &
construction
supplies
Food &
tobacco
Personal &
household
products &
services
Oil & gas
related
equipment
and services
Oil & gas
Coal Uranium
Renewable
energy
Chemicals
Metals & Mining
Construction
materials
Containers
&
packaging
Paper
&
forest
pd
Utilities Industrials, incl.
technology and healthcare
Energy Basic materials
Consumer (non)cyclicalsElectrical utilities & IPPs
Natural gas utilities
Multiline
utilities
Water &
related
utilities
Freight &
logistics
Semicon-
ductors &
equipment
4
16 | UNEP | State of Finance for Nature 2026
217
451
545
934
652
200 217 204
603 640
17
70 41 46 84
3,500
2,000
1,000
400
100
200
300
0
600
700
800
900
1,900
3,400
2,100
500
Consumer
(non)cyclicals
Basic materials Energy Utilities Industrials, incl.
healthcare
and technology
1,835
622
811
1,047
3,368
857
287 274
688
2,172
151
91
64 54
450
in billion US$ (2023)
Total analysed
Nature negative
Negative as share of total
Loans Bonds Equity
7,683
35% 44% 32%
2,798 1,864 258
4,277 809
Indirect impacts across supply chains are not
assessed as this analysis considers only direct
impacts by sectors. However, indirect impacts are
relevant for sectors whose environmental impacts
are embedded in upstream production systems.
While agriculture and food systems are recognised
as major drivers of biodiversity loss, their direct
footprint appears relatively small. Agriculture-
related investments are dispersed across consumer
non-cyclicals (US$434 billion) such as food and
beverages, and basic materials (US$738 billion)
such as fertilizers and chemicals resulting in
underestimation of the role of agriculture and food
systems in activities that harm nature (Figure 4).
Shifting capital away from high-impact sectors may
still exert indirect pressure on ecosystems unless
supply chain effects are also addressed.
Figure 5: Private nature-negative finance flows by sector and asset class in 2023 (billion US$)
Note: Authors? calculations based on data from Refinitiv/LSEG and ENCORE (2025). The horizontal line with a down arrow represents the volume
of analysed flows while the solid bars represent nature-negative finance flows.
Disaggregating private nature-negative finance
flows by asset class provides insights into
the extent to which different types of capital
contribute to harming nature (Figure 5). Loans
(blue bar) dominate the financing of nature-negative
activities in key sectors. In energy and utilities, loan-
based finance flows were close to US$1.5 trillion
in 2023, flagging the role of corporate lending as a
primary channel for funding high-impact operations.
Bonds appear more concentrated in industrials
at US$638 billion in 2023, reflecting their use in
longer-term capital projects associated with nature-
negative outcomes. Equity flows are present across
all sectors but generally exhibit smaller volumes,
with only modest representation in resource-
intensive sectors. Exclusion policies by commercial
banks are historically focused on equities, leaving
a critical gap in the regulation of debt finance that
continues to channel billions into nature negative
activities (Financial Times 2025).
17 | UNEP | State of Finance for Nature 2026
2.3 Phasing out nature-negative
finance
Addressing nature-negative finance is essential
for systemic change. This analysis demonstrates
that the current system is skewed toward nature-
negative investment, particularly in sectors where
public subsidies lower risks and inflate returns for
nature negative activities, e.g. high emissions energy
infrastructure and manufacturing.
A key driver of nature-negative finance flows is
the interaction between public subsidies and
private finance. Public subsidies lower the cost of
capital and risk for polluting industries, encouraging
private investment into activities with high
environmental externalities. Fossil fuel subsidies
encourage continued private lending and equity
flows into high-emission energy infrastructure. In
the agriculture, fisheries and extractive sectors,
public support for inputs (e.g. fertilizers, diesel
fuel, pesticides) artificially improves margins
and investment attractiveness. This creates path
dependencies where capital markets respond
to distorted price signals, further entrenching
unsustainable business models and delaying
investment shifts toward nature-positive alternatives.
Reforming harmful subsidies offers a powerful
opportunity to realign public finance with long-
term environmental and economic resilience.
Key leverage points to support the phasing out of
nature-negative finance include reforming fiscal
policies to eliminate subsidies that harm nature,
replacing them with fiscal incentives that discourage
nature-negative practices. Reforms associated with
GBF Target 18 to reduce harmful incentives by at
least US$500 billion per year, can free up government
funding for nature-positive projects and weaken
negative externalities.
However, such reforms are politically challenging
because they often affect powerful industries or
groups that benefit from the status quo and resist
change. Moreover, freed up fiscal resources may not
go to nature-positive projects. Removing subsidies
can increase costs for consumers or producers in
the short term, making it unpopular with the public
unless well-designed alternatives or compensation
mechanisms are provided. The analysis in Chapter 5
Sectors with high nature-negative share are utilities
(88 per cent), basic material (74 per cent) and energy
(69 per cent). From an asset class perspective,
corporate bonds have the highest share (44 per cent)
of nature-negative flows, followed by corporate loans
(36 per cent).
Overall, 39 per cent of private finance flows to
key sectors in 2023 was linked to activities with
nature-negative impacts, highlighting the scale of
misalignment between investment and nature and
climate goals. Utilities and basic materials sector are
hotspots for nature-negative exposure, with more than
three-quarters of total finance flows being nature-
negative, with the share evenly spread across asset
classes. More than two-thirds of finance flows to the
energy sector are nature-negative across all asset
classes. While the share of nature-negative finance
in the industrial sector is much lower at around 23
per cent, in absolute magnitude the nature-negative
flows are larger than the energy and the basic material
sector due to the size of the sector.
This report uses the ENCORE: Exploring Natural
Capital Opportunities, Risks and Exposure tool
to identify nature-negative finance in global
private financial transactions based on Refinitiv/
LSEG data. If an economic activity generates
?High? or ?Very High? pressures on nature, then
finance flows to this activity are treated as nature
negative following an attribution scheme (see
Technical Annex).
ENCORE shows how sub-sectors of the economy
rely on and negatively impact nature. It assigns
a pressure materiality rating from ?Very Low?
to ?Very High? to pressures on ecosystems
generated by sub-sectors. These ratings can
be aggregated at the sector level to understand
how finance flows to different sectors affect
nature, but do not consider management actions
to address impacts within activities. Sectoral
impact ratings are combined with financial
transaction data provided by Refinitiv/LSEG using
an attribution scheme. Data provided by Refinitiv/
LSEG covers the universe of private finance flows
(including corporate bonds/ loans and equity
instruments) between 2020 and 2024.
18 | UNEP | State of Finance for Nature 2026
outlines actions governments can take to make this
transition feasible and socially acceptable.
Governments and financial regulators can
deploy a broad set of policy levers to phase out
private nature-negative finance and shift capital
toward nature-positive outcomes. These include
mandatory biodiversity disclosures, integrating
nature-related risks into financial supervision and
supporting just transition strategies. Central banks
and regulators can complement fiscal reforms
by adjusting lending, equity and bond issuance
frameworks to reflect environmental risks and reward
sustainable practices. Tailored actions across asset
classes, such as stricter loan conditions for high-risk
sectors, stewardship in equity markets and credible
green bond standards are critical to redirect finance
flows.
It is critical for business and finance to identify,
measure, disclose and manage their impacts,
dependencies and risks associated with nature.
The financial sector can harness knowledge
exchange platforms and multi-stakeholder
collaboration to develop or improve capacity to
identify, measure and manage their exposure to
nature-related and social risks. In doing so, financial
institutions can gradually restrict capital to activities
with high ecological and transition risks, which often
carry hidden financial risks.
Companies in industries associated with nature-
negative outcomes (e.g. mining, construction)
can adopt business models that minimise their
indirect impact on nature across supply chains,
alongside transition plans to minimise and
reverse their direct impact on nature. These
actions must prioritise transparency to avoid
greenwashing. Corporates can improve their cost
competitiveness by shifting capital expenditure
toward resource-efficient technologies, regenerative
practices and circular business models that lower
input costs and enhance resilience. Investors and
asset managers can further drive competitiveness by
engaging portfolio companies to phase out harmful
practices on clear timelines, thereby protecting long-
term value and opening access to expanding markets
for sustainable goods and services.
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3.1 Global finance flows to nature-
based solutions
Public and private finance flows to NbS are
estimated at US$220 billion in 2023, an increase of
five per cent since 2022 (Figure 6)1. Finance flows
for NbS have increased steadily, reflecting increased
uptake based on their ability to address climate
change, biodiversity loss and land degradation.
Public expenditure of US$197 billion provides most
1 Due to changes in data and methodology, time trends are best interpreted
using the figures presented in this report.
NbS finance. Of this, domestic public expenditure
dominates, channelling US$190 billion. International
public finance for NbS delivered via Official
Development Finance is estimated at US$6.8 billion
(around three per cent of total NbS finance). NbS
finance channelled through Debt-for-Nature Swaps
amounted to US$0.6 billion in 2023. Private NbS
finance is estimated at US$23.4 billion in 2023 (11
per cent of total NbS finance).
3
Finance flows to nature-based
solutions
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Figure 6: Public and private finance flows to nature-based solutions in 2023 (billion US$)
Note: Authors? calculations. Public finance estimates are for 2023 and private finance year varies based on data availability (see section 3.2).
Data from IMF Government Finance Statistics (2025), OECD Annual public expenditure by budget function (2025c), OECD Creditor Reporting
System (2025b), FAOSTAT Government Expenditure (2025), OECD Mobilised private finance for development (2025a), CPI Global Landscape
of Climate Finance (2025), Morningstar (2025), BloombergNEF (2025), Ecosystem Marketplace (2024). Sources for certified commodity
supply chains include: 4C (2023), Breukink et al. (2015), FAO (2020; 2022; 2024a; 2024b), FSC (2020; 2021; 2022; 2023), GCP (2021), IDH
(2020; 2021a; 2021b), PEFC (2019; 2020; 2021; 2022; 2023a; 2023b), Proterra (2022), Rainforest Alliance (2021; 2022a; 2022b; 2024a;
2024b), RSPO (2024), Statista (2025), World Bank (2025) and WWF (2022).
82.2 66.3
15.1 15.0
11.6
0.30.90.40.9
Biodiversity
Sustainable agriculture,
forestry, fisheries
Wastewater
management
Pollution
abatement
Environmental
policy & other
Private finance mobilised by ODF PhilanthropyVoluntary carbon credits
Biodiversity
offsets
Compliance carbon credits
Payment
for ecosystem
services
Certified
commodity
supply chains
6.8
4.64.2
5.17.1
Bonds and
funds
Official development
finance (intl.)
PUBLIC
197
US$ billion
23.4
PRIVATE
US$ billion
22 | UNEP | State of Finance for Nature 2026
3.2 Public expenditure on nature-based solutions
Public finance to NbS is tracked by looking at public domestic expenditure and ODF. In 2023, NbS
finance through domestic government expenditure, ODF and debt-for-nature swaps (DNS) reached a
historical high of US$197 billion (Figure 7).2
2 Public finance flows to NbS are reported under the Classification of the Functions of Government (COFOG) budget lines: biodiversity, agriculture, pollution
abatement, wastewater management and environmental policy. Official Development Finance, government and sovereign bonds with biodiversity UoP and
DNS are important financing instruments but are captured in COFOG categories.
Note: Data from IMF Government Finance Statistics (2025), OECD Annual public expenditure by budget function (2025), FAOSTAT Government Expenditure
(2025), OECD CRS (2025), and BloombergNEF (2025).
(US$82.2 billion)
Domestic: Biodiversity
Biodiversity bonds:
Sovereign and government-related
Biodiversity
bonds:
Supranational
DNS
Domestic: Biodiversity
Domestic:
Wastewater management
Domestic:
Pollution abatement
Domestic:
Environmental policy
& other
International:
Official
development
finance
Domestic: Agriculture, forestry
and fisheries
15.9
15.0 15.1 11.6 6.8
0.6
5.4 66.3
60.4
Figure 7: Public finance flows to NbS in 2023 (billion US$)
23 | UNEP | State of Finance for Nature 2026
3.2.1 Public domestic expenditure on nature-
based solutions
Public domestic expenditure on NbS reached
US$190 billion in 2023, increasing by four per
cent relative to 2022 (Figure 8).3 This increase
is driven by biodiversity and landscape protection
expenditures (up by 11 per cent), while public NbS
related expenditure on sustainable agriculture,
forestry and fishing fell by roughly 4 per cent (from
US$69 billion to US$66 billion). NbS finance through
environmental policy and wastewater management
also declined from 2021 to 2023 by US$980 million
and US$620 million, respectively.
The increase in public domestic NbS expenditure on
biodiversity and landscape protection may reflect
government commitment to increase expenditure
on biodiversity conservation to meet GBF targets.
The GBF seeks to increase global expenditure on
biodiversity from all sources to at least US$200
billion annually by 2030. Public expenditure on
NbS supports climate adaptation, food and water
security, and biodiversity conservation through direct
investments in e.g. ecosystem restoration, green
infrastructure or natural filtration systems. In addition
to delivering environmental health and resilience,
public funding also provides systemic infrastructure
and institutional capacity to mainstream NbS across
sectors and can empower IPs and LCs. Achieving
these expenditure levels require availability of stable
and predictable public revenues. Linking biodiversity
spending with revenue measures such as carbon
and biodiversity pricing, or earmarking a share of
environmental tax receipts, can help governments
close the financing gap and make progress towards
GBF targets (Box 1).
3 The value of NbS finance in ODF and DNS was subtracted from annual govern-
ment NbS expenditure to avoid potential double counting. This adjustment is
particularly relevant for emerging and developing economies that rely on ODF
for domestic government expenditure.
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71 69
66
72 73
82
2021 2022 2023
in billion US$
Sustainable
agriculture,
fishing & forestry
Biodiversity
& landscape
protection
Environmental
policy
Pollution
abatement
Wastewater
management
12 11 11 13 13 15 15 15 15
North America
Latin America
and the Caribbean
Europe Asia
Oceania
Middle
East
0.4 bn
93 bn
0.2 bn
5 bn6 bn
59 bn
34 bn
76%
4%
11%
4%10%
19%
12%
Africa
Figure 8: Public domestic expenditure on nature-based solutions by sector, 2021?23 (billion US$)
Note: Authors? calculations. Budget functions are aligned with OECD (COFOG) and include current and capital expenditure. OECD (2025a;
2025b; 2025c), IMF (2025), FAOSTAT (2025), US Government Spending Explorer (2025), Chinese Statistical Yearbook (2025).
In 2023, government expenditure on NbS was
highest in Asia (US$93 billion), followed by North
America (US$59 billion) and Europe (US$34 billion).
North America registered the largest year-on-year
increase (+19 per cent), while Europe
(+12 per cent) and Latin America (+10 per cent) also
showed notable growth. By contrast, Africa (-76 per
cent), the Middle East (-11 per cent) and Oceania
(-4 per cent) experienced declines in NbS spending
compared to 2022 (Figure 9).
Figure 9: Public domestic and international expenditure on nature-based solutions by region in 2023 (billion US$) and
percentage change from 2022 to 2023
Note: Authors? calculations. Sign indicates either an upward (+) or downward (-) trend. Data from OECD (2025c), IMF (2025), FAOSTAT (2025),
US Government Spending Explorer (2025), Chinese Statistical Yearbook (2025).
25 | UNEP | State of Finance for Nature 2026
An SFN analysis in Colombia (forthcoming)
estimates that public expenditure on NbS increased
by 23 per cent from US$1.2 billion in 2020 to
nearly US$1.5 billion in 2023 driven by domestic
expenditure on environmental policy and biodiversity
and landscape protection. For details see Box 4 in
Chapter 5.
Box 1: Method to estimate domestic public
expenditure on NbS
SFN uses IMF and OECD COFOG data,
supplemented with national statistics from
countries not included in COFOG data, to
estimate domestic expenditure on NbS. Scaling
factors (SFN 2023) are used to estimate
the share of NbS finance in public domestic
expenditures. Scaling factors were derived based
on the literature and expert review to identify
the share of government budget categories that
can confidently be associated with NbS. These
scaling factors are constant and country-agnostic
so do not reflect country and region-specific
trends. See Technical Annex for details.
The value of sustainable bonds with biodiversity
use of proceeds (UoP) increased from 2019 to
2023 (Figure 10). The value of public green and
sustainability linked bonds reached US$15.9
billion in 2023, more than quadrupling since 2019.
Biodiversity impact from these bonds materialises
when proceeds are allocated to eligible public
expenditures, which are covered in the previous
section. To avoid double counting, the value of
sustainable public bonds is excluded from estimates
of public expenditure on NbS as the value of these
issuances is captured in COFOG data (Figure 8).
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Figure 10: Public green and sustainability-linked bonds with biodiversity use of proceeds by type of issuing entity, 2019?24
(billion US$)
3.2.2 Public international NbS finance via
Official Development Finance
ODF4 targeting NbS reached US$6.8 billion in
2023, an increase of 22 per cent since 2022
(US$5.6 billion) and 55 per cent since 2015
(US$4.4 billion).5
4 ODF includes Official Development Assistance (ODA) and Other Official Flows
(OOF). Eligibility for ODF is determined by OECD DAC and includes low- and
middle-income countries listed as ODA recipients based on gross national
income (GNI) per capita published by the World Bank (OECD 2023a).
5 Midpoint estimates used.
Despite this growth, ODF targeting NbS is equivalent
to only three per cent of domestic government
expenditure on NbS in 2023. Moreover, geopolitical
dynamics have caused a heavy downward pressure
on ODF in general which is highly likely to continue
in the future. It is therefore critical to find alternative
financing mechanisms to avoid overreliance on
uncertain funding.
To identify NbS finance flows in ODF, key
characteristics of NbS and NbS finance are defined
in Table 2 (see Technical Annex for details).
Table 2: Characteristics to identify NbS finance flows in Official Development Finance
Components for NbS finance Reference
All NbS finance is covered under biodiversity finance, but not all biodiversity finance
is NbS finance, i.e. NbS finance is a sub-set of biodiversity finance.
Academic and grey literature
All NbS finance targets the protection, restoration or sustainable use of ecosystems,
species or genetic resources.
OECD DAC Rio biodiversity marker
NbS finance can contribute simultaneously to the objectives of more than one Rio
Convention.
Boran et al. (2024); Elsässer
(2024); IUCN/ENACT (2024a)
NbS finance can support enabling conditions for mainstreaming biodiversity into
development and economic decision making, including governance support, capacity
development, regulatory frameworks or research.
OECD definition for biodiversity
marker
NbS finance is identified in specific budget categories: environmental protection,
pollution abatement, biodiversity and landscape, waste-water management,
agriculture, forestry and fishing.
OECD guidance; World Resource
Institute [WRI] (2021); Atteridge et
al. (2022)
NbS provide net gains to biodiversity and generate benefits for human well-being. Based on UNEA-5 definition
Note: Authors? calculations. Data from BloombergNEF (2025). Estimates represent the total issued divided by the number of UoPs. UoP are
generally not divided equally, and biodiversity often receives the smallest share so estimates may likely be overestimated.
in billion US$
0
5
10
15
20
25
30
35
40
3.1
2019
8.0
2020
9.5
2021
9.2
2022
5.4
2023
6.4
16.7
39.3
27.4
21.2 9.9
17.2
2024
27.1
3.3
8.7
29.8
18.2 15.9
Supranational
bonds
Sovereign
bonds
27 | UNEP | State of Finance for Nature 2026
0.02
0.06
0.040.08
0.08 0.06
0.01
0.03
0.040.030.08
0.06
0.2
0.1
0.3
0.5
0.20.4
0.4
0.2 0.2
0.2
0.30.4
1.1
1.9Environmental policy and administrative management
Biodiversity
Site preservation
Biosphere
protection
Others agricultural
Agricultural
development
Agricultural
policy
Agricultural land
resources
Forestry policy
and management
Forestry development
Fishing
development
Fishing
policy
Other
fishing
Other
forestry
Water resources
conservation
River
basins
devt.
Forest ind. Agro-ind.
(US$0.8 billion)
Water supply &
sanitation (US$0.2 billion)
Industry
(US$0.07 billion)
Disaster risk
reduction
Urban development
and management
Rural development
Others
(US$1.3 billion)
Water sector
policy
0
2
4
6
8
10
12
14
2015 2016 2017 2018 2019 2020 2021 2022 2023
in billion US$
Upper bound Mid-point Lower bound
6.8
Mid-pointODF flows to NbS by sector (2023)
Agricultural
research
Env.
education/
training
Environ.
research
Other multisector
General environment protection (US$3.5 billion) Agriculture Forestry and fishing
(US$0.9 billion)
Figure 11 presents NbS finance flows through ODF
over time. NbS finance flows are identified using two
sets of criteria, which vary in stringency. Projects
that contribute to biodiversity objectives and are
tagged with at least a ?significant? biodiversity
marker are classified as upper-bound NbS finance
flows. Projects must meet additional stringent
criteria to qualify as lower-bound, i.e. be tagged with
a ?principal? biodiversity marker (which implies a
larger contribution to biodiversity objectives than the
?significant? marker) and have keywords related to
NbS in their description.
Figure 11: Official Development Finance targeting NbS, 2015-23 and by sector in 2023 (US$ billion)
Note: Authors? calculations. Estimates are lower-, mid- and upper-bound to account for uncertainty in identification of NBS. Data from OECD
CRS (2025) which covers Official Development Assistance (ODA) and Other Official Flows (OOF) from public bilateral and multilateral sources.
For sectoral breakdown, 2023 disbursements are used.
28 | UNEP | State of Finance for Nature 2026
NbS finance in ODF is highly concentrated
in environmental policy (US$1.9 billion) and
biodiversity-focused interventions (US$1.1 billion)
reflecting the central role of governance and
biodiversity conservation in public NbS finance
(Figure 11). Significant amounts are also allocated
to agriculture (US$1.3 billion) and forestry
(US$0.8 billion). Most ODF targeting NbS is highly
concessional. ODA grants provided 75 per cent of
NbS related ODF, with the balance in ODA loans,
equity investments and Other Official Flows, e.g.
non-export credits.
ODF targeting NbS has a strong gender dimension
that has increased over time but is unevenly
distributed across sectors. In 2023, 58 per cent of
all ODF NbS finance flows are gender marked (Figure
12). ODF NbS finance to the agriculture sector has
the highest level of gender integration (81 per cent),
followed by disaster risk reduction (DRR) (73 per
cent) and water and forestry (68 per cent and 67
per cent respectively). Projects for environmental
protection have a lower level of gender integration
with 45 per cent tagged with the gender marker. To
enhance impact, policies should ensure NbS funding
integrates gender from design to implementation,
with clear targets and accountability for gender
outcomes.
Figure 12: Share of Official Development Finance targeting NbS with a gender marker, 2015-23
Note: Authors? calculations. Estimates are in percentage terms and based on mid-point values. Based on OECD CRS (2025b) which covers
ODA and OOF from public bilateral and multilateral sources. Projects are identified with a significant or principal gender marker.
2015 2016 2017 2018 2019 2020 2021 2022 2023
36%
46%
43%
53%
45%
52%
60% 60%
58%
Agriculture
Water supply
& sanitation
General
environment
protection
81%
68%
49%
15%
Gender share 2023
Other
multisector
(DRR)
Forestry
Industry
Fishing
73%
67%
45%
29 | UNEP | State of Finance for Nature 2026
3.2.3 NbS delivering on the Rio Conventions
Roughly 43 per cent of ODF targeting NbS in
2023 supported projects delivering against
all three Rio Conventions simultaneously,
demonstrating important synergies to tackle
climate change, biodiversity loss and land
degradation, desertification and drought (DLDD).
NbS offer strategic opportunities to strengthen
coherence in implementation and financing across
Rio Conventions. Synergistic implementation not
only amplifies impacts but also reduces costs,
e.g. in Central Asia, synergies reduced total cost
of implementation by 25 per cent (Mirzabaev et
al. 2025). However, financial reporting on NbS by
countries against the targets of the Rio Conventions
can be challenging. Greater clarity on how NbS
finance relates to biodiversity finance, climate
finance for nature and restoration or DLDD finance is
needed.
This analysis looks at each transaction of ODF
disbursements that meet the biodiversity-related
eligibility criteria for NbS (Table 3). Further
attribution to UNFCCC (climate) and UNCCD (DLDD)
is made using Rio markers, keywords in project
descriptions and SDG proxies. Identification of NbS
activities relied on project descriptions and should
not be interpreted as official reporting by DAC
countries. Details are in the Technical Annex.
Table 3: Attribution scheme of NbS transactions to Rio Conventions
Biodiversity finance (CBD) Climate finance (UNFCCC) DLDD finance (UNCCD)
Biodiversity sector
Biosphere protection sector
Biodiversity marker (significant
or principal)
Biodiversity keyword
(significant-like or principal-like)
SDG 14 (life below water) or
SDG 15 (life on land) marker
Climate mitigation marker
(significant or principal) OR
Climate adaptation marker
(significant or principal)
Desertification marker (significant or principal)
DLDD keywords
SDG 15.3 marker (land degradation neutrality)
SDG 15 marker (life-on-land)
SDG 2.4 marker (sustainable food production)
Biodiversity OR climate adaptation marker in sector*
Note: *General environmental protection (CRS Category), urban development and management, urban land policy and management, rural
development, rural land policy and management, disaster risk reduction. SDGs markers and keywords for climate finance are excluded.
Referring to SDG markers, OECD (2023) states that ?the heterogeneity in reporting quality of this field implies that data extracted from this
field may be inconsistent across donors.?
Disaggregation of ODF targeting NbS by Rio
Convention demonstrates that NbS flows are
captured under biodiversity finance (upper bound
estimates of US$13.3 billion) with subsets of NbS
finance contributing also to climate and DLDD
objectives. The overlapping area in Figure 13
represents ODF NbS investments that simultaneously
deliver biodiversity, climate and/or DLDD benefits.
US$5.7 billion (43 per cent) of ODF targeting NbS in
2023 supported projects delivering against all three
Rio Conventions simultaneously. Donor countries
differ in the extent to which they support NbS, which
likely reflects differing priorities.
30 | UNEP | State of Finance for Nature 2026
DLDD
Desertification,
land degradation
and drought
3.8
(28%)
2.7
(20%) 5.7
(43%)
1.1
(8%)
Biodiversity
Climate
Nature-based
solutions
NbS
Figure 13: Contribution of ODF targeting nature-based solutions to Rio Conventions in 2023 (US$ billion and %)
Where additional Rio markers or other indicators for climate or DLDD objectives are present, transactions are also attributed to UNFCCC or
UNCCD. Overlapping or joint contributions occur when single investments support multiple Rio Convention targets simultaneously.
Based on upper bound estimate which include 100 per cent of the value of transactions tagged with the biodiversity Rio marker or equivalent.
approaches are more systematically addressed in
multi-convention projects, reflecting recognition of
gender equality as a cross-cutting driver of more
inclusive and effective environmental action. The
relatively higher gender shares in NbS projects
contributing to multiple Rio Conventions indicate
that gender-responsive synergies are beginning to
materialise in practice (UN Women 2024).
Figure 14: Share of Official Development Finance targeting NbS that delivers on multiple Rio Conventions and gender, 2021?23 (%)
23%
39% 37%
74%69% 68%
48% 49% 45%
59% 56% 57%
2022
2021
2023
Biodiversity only
and gender
Biodiversity,
climate and
gender
Biodiversity, DLDD
and gender
Biodiversity, climate,
DLDD and gender
NbS finance delivery across Rio Conventions and
gender integration
NbS projects aligned with multiple Rio Conventions,
particularly climate and biodiversity, have high shares
of gender integration (68 per cent), while projects
focusing solely on biodiversity (37 per cent) lag
(Figure 14). This suggests that gender-responsive
Note: Authors? calculations with data from OECD CRS (2025b).
31 | UNEP | State of Finance for Nature 2026
3.2.4 Public debt-for-nature swaps
NbS finance flows channelled through debt-for-
nature (DNS) swaps reached roughly
US$0.63 billion in 2023 (Figure 15). DNS are financial
transactions in which a share of a country?s foreign
debt is restructured on better terms in exchange
for commitments to invest in conservation, often
channelling funds into local projects and engaging
IPs and LCs. SFN 2026 introduces DNS in NbS
finance estimates to capture the growing contribution
of sovereign debt restructuring as a channel for
mobilising finance for nature. There have been eight
DNS agreements from 2021?24 in Belize, Ecuador,
Gabon, El Salvador, the Bahamas, and Barbados.
Figure 15: Total restructured debt by year, including new debt and conservation funds, 2021-24
Source: Authors? calculations. Data from BloombergNEF 2025; Bloomberg Terminal 2025.
DNS aim to address the dual challenges of sovereign
debt and biodiversity loss, particularly in emerging
economies. Traditional debt restructuring typically
aims to stabilise a country?s financial situation by
renegotiating the terms of debt repayment, without
addressing broader socio-environmental issues. In
contrast, DNS integrates financial relief with tangible
conservation outcomes, creating a win-win scenario
for both economic stability and environmental
sustainability.
There are two types of DNS. Commercial DNS
involve restructuring government debt that is traded
on markets, such as fixed income securities (e.g.
sovereign bonds). A third-party organization, usually
an NGO, government or individual(s), purchases
the debt at a discount in the secondary market. The
debtor country then invests the acquired funds in local
currency in conservation projects. Bilateral (public)
DNS are government-to-government agreements
on debt that is not traded in financial markets, such
as loan products. Tailoring DNS to the needs and
priorities of countries is essential to maximise its
effectiveness. This requires knowledge of priority
areas within a country, as well as the involvement of
national governments in implementing and managing
DNS (Nedopil et al. 2023).
While DNS have potential, their success depends
on enabling conditions, such as institutional
capacity for monitoring, alignment with biodiversity
priorities and resilience to external financial shocks.
Their effectiveness is influenced by the degree of
country ownership, strong conservation incentives
and additionality. Aligning these instruments
with national biodiversity plans, nature-related
taxonomies and inclusive processes, particularly
involving IPs and LCs, enhances impact. More
broadly, the successful scaling of nature finance
may rely less on individual instruments and more
on coherent, systemic approaches that integrate
climate and nature objectives through robust
governance and accountability mechanisms (IMF
2024).
in billion US$
0.0
1.0
2.0
0.5
1.5
2.5
3.0
3.5
4.0
0.34
2021
0.16
2022
1.12
2023
0.54
0.21
1.75
2024
3.70
1.10
2.60
New debt
Conservation funds unlocked
0.20 0.05
0.63
32 | UNEP | State of Finance for Nature 2026
3.3 Private finance flows to
nature-based solutions
Private finance flows to NbS reached US$ 23.4
billion in 2023, one-tenth of total finance flows
for NbS (Figure 16), up by nearly 8 per cent since
2022. Private NbS finance tracked includes green
and sustainability linked bonds with biodiversity
UoP, philanthropy, private finance mobilised by ODF,
biodiversity offsets and credits, carbon markets,
payments for ecosystem services (PES) and certified
commodity supply chains.
Biodiversity offsets mobilised roughly US$7.1 billion
providing the largest share of private NbS finance.
Sustainable corporate bonds with biodiversity UoP
and biodiversity funds are increasingly important asset
classes to scale finance for NbS. Finance channelled
through private corporate bonds with biodiversity UoP
was US$4.1 billion in 2023 compared to US$2.7 billion
in 2019.6 Investment in biodiversity funds has grown
rapidly at 14 per cent CAGR over the past five years
(Global Impact Investing Network [GIIN] 2024).
6 Excluding financial sector issuances of around US$5 billion in 2024
(BloombergNEF 2025; Bloomberg Terminal 2025).
0.1
0.10.30.30.40.9
0.1
0.04
0.07
0.02
0.7
0.20.10.3
0.30.4
7.1
3.0 1.0
4.2
1.6
2.3
Biodiversity offsets Payments for ecosystem
services
Compliance carbon credits Voluntary carbon credits
Forest products
Seafood
General environment
protection
Agriculture
Agri.
Fo
re
st
ry
/F
is
hi
ng
Others
Others
Utilities
Industrials
Materials
Consumer
discretionary
General environment
protection
Palm oil Coffee Soy
Cocoa
Philanthropy
Private finance
mobilised by ODF
Corporate bonds with biodiversity UoP (US$4.1 billion) Biodiversity and
natural capital
funds
Market based instruments (US$12.6 billion) Certified commodity
supply chains (US$4.6 billion)
Source: Authors? calculations. Data: biodiversity bonds (Bloomberg); private finance mobilised (OECD); philanthropy (OECD); biodiversity offsets (various); PES (various);
CCSC (various). Market-based instruments are non-exhaustive and clustered avoiding double counting or identification issues with other instruments.
Figure 16: Private finance flows to nature-based solutions in 2023 (billion US$)
33 | UNEP | State of Finance for Nature 2026
While private finance for NbS often captures
headlines and policy attention, it currently represents
only a fraction of private finance?s potential
contribution to nature-positive outcomes. Most
impact will come through impact mitigation finance,
transition finance and mainstreaming approaches, i.e.
finance that reduces harm across existing portfolios,
supports sectoral transformation and integrates nature
considerations into routine financial decisions. Yet,
as discussed in chapter 1, these critical categories
currently lack agreed definitions, standardised metrics
and robust reporting systems. Without comprehensive
frameworks to capture this broader spectrum of nature-
relevant finance, we risk systematically undervaluing
and underreporting the private sector?s potential
contributions to nature protection. This creates a blind
spot: institutions may be delivering substantial nature
benefits through supply chain improvements, circular
economy investments and sectoral transitions that
remain invisible in current tracking systems.
3.3.1 Sustainable bonds for biodiversity
Germany, the United Kingdom, France, Italy,
China, Spain, Sweden, Australia, Hong Kong
and the European Union issued US$168 billion in
sustainable and green bonds with biodiversity UoP
in the first eight months of 2024 (BloombergNEF
2024). While government financing is responsible
for all of this issuance in six of the largest markets,
biodiversity-related bonds issuance in China, South
Korea and France is composed almost entirely of
private-sector funds. Investors are venturing into
frontiers of nature and biodiversity via labelled bonds
including biodiversity conservation among their UoPs
(Sustainable Fitch 2023a).
Issuance of green bonds targeting NbS to de-risk
private finance is a strategy to increase private
investment in NbS. Bonds may target NbS that
enhance flood protection of cities, municipalities
and local industry. Sustainability-linked loans and
bonds with a nature component are increasing. The
issuance of green and sustainability bonds featuring
terrestrial and aquatic biodiversity increased from
just 5 per cent in 2020 to 16 per cent in 2023
(Sustainable Fitch 2023b).
Examples of the growing use of bond proceeds for
nature-positive outcomes include the Spanish region
of Castilla y León which allocated part of its 2023
sustainable bond proceeds to forest fire prevention,
reforestation and conservation projects (Junta de
Castilla y León 2023). In the United Kingdom, United
Utilities issued a GBP 300 million7 sustainable
bond in 2021, channelling funds into peatland and
riverbank restoration to enhance water quality and
flood resilience (United Utilities 2024).
Finance flows channelled via private corporate bonds
with biodiversity UoP from 2019 to 2024 are shown in
Figure 17. The utilities sector is responsible for over
three quarters of the total at US$3 billion in 2023,
with a consistently high share over time. Industrials
and consumer discretionary have significant but
variable volumes of corporate bonds.
Figure 17: Private corporate sustainable bonds with
biodiversity UoP by sectors, 2019?24 (billion US$)
Note: Authors? calculations. Estimates cover corporate bonds,
excluding financial sector bonds. Data from BloombergNEF 2025;
Bloomberg Terminal 2025.
7 US$400 million by 5 August 2025 exchange rate.
0.0
1.0
0.5
2.0
2.5
1.5
4.0
3.5
4.5
3.0
0.4
0.3
0.4
0.1
0.6
2023
0.4
0.3
0.3
0.01
2019 2020 2021 2022
2.7
3.4
3.6
2.5
4.1
0.4
1.0
1.4
0.3
0.2
0.2
OthersMaterialsConsumer discretionaryIndustrialsUtilities
2024
0.2
0.3
0.5
0.6
2.3
3.9
1.8
0.1
3.0
1.3
0.1
0.1
0.2
0.7
0.2
2.5
34 | UNEP | State of Finance for Nature 2026
3.3.2 Biodiversity funds
An average of US$1 billion was invested in
biodiversity funds annually between 2020 and
2023, concentrated in the industry, basic materials
and information technology sectors (Morningstar
2025). Biodiversity and natural capital funds are
actively managed financing platforms which channel
investment into biodiversity conservation, restoration
and protection projects via diverse financial
mechanisms.8 These mechanisms may involve the
application of exclusion-based policies on non-
financial corporates that engage in environmentally
harmful activities and the adoption of biodiversity
indicators (e.g. Corporate Biodiversity Footprint,
Biodiversity Impact Measurement and Assessment
Practices) and frameworks (e.g. the Partnership
for Biodiversity Accounting Financials) to guide
investment strategies. While data on the amount
and distribution of finance flows channelled by
biodiversity and natural capital funds is scarce,
it is possible to identify key sectors targeted by
biodiversity and natural capital funds globally.
Granular data at the activity-level is needed to
identify finance flows channelled by these funds to
NbS specifically.
Biodiversity and natural capital funds held a total of
US$1.6 billion in assets under management as of
October 20249, which represented an increase of
nearly 50 per cent since the beginning of the year
(Morgan Stanley Capital International [MSCI] 2024a).
3.3.3 Philanthropic funding
Private philanthropy channelled around US$271
million to NbS in 2023, a decline of 60 per cent
since a peak of US$692 million in 2021 (Figure
18). Biodiversity and biosphere protection absorb
just over half of philanthropic funding, followed
by agricultural land resources (15 per cent) and
environmental policy (15 per cent) in 2023.
8 Bioy et al. (2024) identify three types of biodiversity investment strategies
used by biodiversity funds: Reduction in biodiversity-related impacts (risk-ori-
ented), the provision of solutions to biodiversity loss (solutions-focused) and a
combination of both (mixed).
9 All 24 funds analyzed are domiciled in Europe and only four are located
outside the region (MSCI 2024a).
©
A
do
be
St
oc
k
35 | UNEP | State of Finance for Nature 2026
Figure 18: Philanthropic funding to nature-based solutions, 2015-23, and by sector in 2023 (million US$)
Note: Authors? calculations. Estimates are low-, mid- and upper-bound estimates reflecting uncertainty in project identification. Filtering
criteria ensure that double counting in OECD (CRS) datasets is minimised.
150
40
42
1 3
7
7 7
6 2
1 1 1
4
Biodiversity
Environmental policy
Biosphere
protection
Environmental
education/training
Forestry
development
Disaster risk
Reduction
Fishery
development
Fishery
policy
Agriculture (US$71 billion)
Forestry and fishing
Agricultural land resources
Agricultural
development
Agricultural
research
Agricultural
inputs
Agricultural policy
and administrative
management
Ind?l/
export
crops
General environment protection (US$194 billion)
271
0
200
400
600
800
1,000
1,200
2015 2016 2017 2018 2019 2020 2021 2022 2023
Philanthrophic funding by sector (2023) Mid-point
Upper bound Mid-point Lower bound
36 | UNEP | State of Finance for Nature 2026
While philanthropic funding to NbS has decreased
dramatically between 2021 and 2023, recent
developments may signal renewed momentum. At
COP16 in Colombia, a coalition of philanthropic
organizations including Arcadia, the Becht
Foundation, Bezos Earth Fund and Bloomberg
Philanthropies announced a US$51.7 million pledge
to accelerate development of Marine Protected Areas
(MPAs) in the high seas. This new commitment
signals growing recognition of ocean-based NbS
and reflects the important role of philanthropic
action to fill critical funding gaps in underfinanced
ecosystems (Bloomberg Philanthropies 2024).
Philanthropy can play a catalytic role in financing
NbS by providing early-stage, risk-tolerant capital to
NbS projects and attracting follow-on investments.
It can address governance gaps where public
institutions are weak. Philanthropy can empower
local communities through training and capacity
building, strengthening NbS implementation over
time. Philanthropy may also fund scientific research,
foster cross-sector collaboration and enable
experimentation with innovative approaches, such
as green bonds or pay-for-success models which
other funding sources may find too risky. By bridging
critical financial and institutional gaps, philanthropy
can lay essential groundwork for scaling NbS
(Seddon et al. 2020; van Gerwen 2021; Beer 2022;
McKinsey & Company 2023).
Gender integration in philanthropic funding for NbS
is limited relative to other types of philanthropic
funding. The share of philanthropic funding targeting
NbS in 2023 marked for gender ranges from 1 per
cent for general environmental protection to 100
per cent for disaster risk reduction. However, the
volumes are small as DRR makes up less than one
per cent of philanthropic funding. The low gender
share of NbS-related philanthropy in some sectors
may reflect a narrow focus on ecological or technical
outcomes, overlooking social dimensions including
gender equality that influence long-term success.
To increase impact and alignment with global goals,
philanthropic funding for NbS must better integrate
gender as a core component of effective and
inclusive NbS.
Figure 19: Share of gender marked projects in NbS funding
through private philanthropy (%)
Note: Authors? calculations. Based on OECD CRS (2025b) data.
3.3.4 Environmental non-governmental
organizations
Environmental NGOs (eNGOs) play an important
role in providing NbS finance, particularly in
emerging and developing economies characterised
by greater market volatility and financial risk,
which discourages private investors. NbS finance
channelled through eNGOs generally incorporates
social and environmental safeguards, which helps
local communities harness opportunities associated
with NbS and to participate in their implementation.
A recent study (The Nature Conservancy and Forest
Trends 2025) found that global private sector
(private companies and foundations) investment
in NbS with water-related objectives (e.g. flood
risk mitigation, water supply and quality) was
approximately US$345 million in 2023.
NbS finance channelled via eNGOs is not included
in the quantitative analysis due to limited
availability of data and potential double counting.
ENGOs are for the most part not direct providers of
new funding for NbS, but rather act as intermediaries
between governments, multilaterals and foundations
and recipients. Since public and philanthropic finance
is already reported, and reliable data on eNGO
funding sources is lacking, eNGO expenditures are
not separately accounted for.
Agriculture Forestry Fishing
20%
4%
15%
General
environment
protection
Disaster risk
reduction
1%
100%
37 | UNEP | State of Finance for Nature 2026
3.3.5 Private finance mobilised by Official
Development Finance
Private finance to NbS mobilised by public ODF
is estimated at US$878 million in 2023 reflecting
a sharp 160 per cent increase since 2022 (Figure
20). Public policy instruments including de-risking
mechanisms, e.g. guarantees, co-financing or
public-private partnerships, syndicated loans are
Figure 20: Mobilised private finance to NbS by sector, 2015-23 (million US$)
Note: Authors? calculations. Estimates represent lower-, mid- and upper-bound values reflecting uncertainty in project identification. Filtering
criteria ensure that double counting in OECD CRS 2025 datasets is minimised.
essential for increasing private investment in NbS.
With de-risking mechanisms public actors reduce
the perceived financial risks associated with NbS,
which may encourage private actors with lower
risk tolerance to invest in NbS. Tracking private
finance to NbS mobilised by ODF can indicate
the effectiveness of public policy instruments in
catalysing private NbS finance flows.
In 2023, the largest share (80 per cent) of private
NbS finance mobilised by ODF went to general
environment protection (US$729 million). Smaller
shares went to agriculture (US$88 million), water
and industry (US$39 million) and forestry and fishing
(US$22 million).
Regional analysis identifies Asia as the largest
recipient of mobilised private finance to NbS with
US$426 million in 2023, followed by cross-regional
initiatives (Figure 21). Most of the private finance
mobilised for NbS was channelled through simple co-
financing and guarantees10 underlining the important
role of these de-risking mechanisms.
10 These values represent average mid-point estimates over 2021?2022.
88 22 729 39 878
Agriculture Forestry and fishing General environment protection Others, incl. water and industry
0
200
400
600
800
1,000
1,200
1,400
1,600
2015 2016 2017 2018 2019 2020 2021 2022 2023
878
Private NbS finance mobilised by ODF
by sector (2023) Mid-point
Upper bound Mid-point Lower bound
38 | UNEP | State of Finance for Nature 2026
Figure 21: Private finance for NbS mobilised by ODF per recipient region in 2023 (million US$)
Note: Authors? calculations. Estimates represent lower-, mid- and upper-bound values reflecting uncertainty in project identification.
Filtering criteria ensure that double counting in OECD CRS datasets is minimised.
3.3.6 Carbon offsets
The value of nature-based carbon offsets
traded in the VCM declined by 57 percent from
US$828 million in 2022 to US$ 355 million in
2023 (Ecosystem Marketplace 2024; Ecosystem
Marketplace 2025). Transactions from projects in
agriculture, forestry and other land use (AFOLU) fell
in volume and value, with their share in total VCM
transactions dropping from nearly half in 2022 to just
over a third in 2023. Average prices declined sharply,
reflecting a cautious buyer environment linked
to scrutiny of REDD+ methodologies, particularly
baseline calculations and credit issuance (West et al.
2024). Media coverage questioning the additionality
and integrity of carbon credits in the VCM has
reduced demand and pushed some buyers towards
engineered project types, where carbon savings are
perceived as easier to measure.
Even so, nature-based carbon offsets continued to
command a notable price premium in 2024 (World
Bank 2025), suggesting that investors still see added
value in their biodiversity and social co-benefits.
Reforms introduced in late 2023, including updated
REDD+ methodologies, appear to be restoring
confidence.
Market-based instruments for nature-based
solutions
Private finance remains a modest but growing source
of funding for NbS, mobilising an estimated US$13
billion in 2023 through market-based mechanisms
including carbon and biodiversity offsets and
payments for ecosystem services. These instruments
channel investment into conservation, restoration and
sustainable land use, yet their overall scale remains
small relative to public finance and global needs.
Integrity challenges, policy uncertainty and limited
demand for verified nature-positive outcomes continue
to constrain market confidence. Strengthening
transparency, regulatory coherence and links between
private and public finance will be critical to scaling
credible and sustained investment in NbS.
Investments in biodiversity offsets were estimated
at US$7.1 billion, representing a significant
channel for finance flows into conservation. The
market for biodiversity credits remains nascent,
with investments pledged at US$8 million in 2022
(Manuell 2023). Private payments for ecosystem
services (PES) channelled roughly US$4.2 billion in
2023. The global market for nature-based carbon
offsets, including compliance schemes and the
Voluntary Carbon Market (VCM) was valued at
US$1.3 billion in 2023.
0
100
200
300
400
500
600
700
800
Africa Americas Asia Europe Unspecified
Upper bound Mid-point Lower bound
39 | UNEP | State of Finance for Nature 2026
In compliance markets, US$942 million in private
finance was mobilised in 2023 through national and
subnational programmes. This estimate is based on
the value of credits cancelled under the New Zealand
Emission Trading Scheme (US$679 million), California
Cap-and-Trade Program (US$195 million), Colombia
Carbon Tax (US$57 million) and Australian Carbon
Credit Unit Scheme (US$28 million)11 ? compliance
schemes that allow NbS-related carbon credits12. Many
other compliance schemes, e.g. the European Union
Emissions Trading System (EU ETS), only allow direct
emission reductions from regulated sectors.
Colombia?s carbon pricing policy combines a carbon
tax with an offsetting mechanism, the non-causation
mechanism, which allows liable entities to avoid
triggering the full carbon tax by compensating for
up to 50 per cent of greenhouse gas emissions
associated with the sale, import or consumption of
taxed fossil fuels. Compensation is achieved through
acquisition of emission reduction certificates
or removals that meet eligibility criteria and are
registered in Colombia?s national registry (Allcot
Trading 2023; Gómez 2024). Despite a relatively
low average carbon price of US$5/tCO2e (World
Bank 2025), the scale of finance is substantial with
roughly 11 million NbS-related offsets used against
the carbon tax, generating US$57 million in 2023.
3.3.7 Biodiversity offsets
NbS finance channelled via investment in biodiversity
offsets13 increased from US$6.8 billion in 2022
to US$7.1 billion in 2023. Over 100 countries had
some form of biodiversity offset programme policy
in place in 2019, with 37 countries legally requiring
biodiversity compensation or permitting certain
developments (Bull et al. 2018).
The United States accounted for 87 per cent of the
total with US$6.2 billion invested in 2023, mainly
11 All price data is sourced from the World Bank?s Carbon Pricing Dashboard,
except for Australia?s prices. 2023 and 2024 prices are from Clean Energy
Regulator (CER) quarterly report series, while 2022 price is estimated from
CER market price charts. Details available in technical annex.
12 Other smaller or emerging programmes also permit such credits but are not
included in this estimate due to limited available data.
13 Biodiversity offsets are conservation measures required by law to
compensate for the adverse and unavoidable impacts of development on
species and ecosystems that remain even after other mitigation efforts have
been implemented.
through offset and compensation requirements for
wetlands and streams under the Clean Water Act
and for endangered species under the Endangered
Species Act. India represented the second largest
market at US$0.86 billion, primarily through the
National Compensatory Afforestation Program.
Biodiversity offsetting in the EU is largely
compliance-driven under several regulations,
including the EU Habitats Directive. Annual
transactions reached EUR 350?450 million per
annum, with 65 programmes and 180 projects
across at least 12 EU countries (Benett et al.
2017a). Other regions have provincial programmes
(e.g. Australia), lender-funded projects (e.g. Latin
America) or Biodiversity Net Gain policies (e.g. UK).
Despite the scale of investment, biodiversity offsets
face challenges in design and implementation,
with limited evidence of biodiversity gains from
averted loss offsets and, in some cases, adverse
outcomes. For instance, in Indonesia there is
mandatory compensation for development activities
such as mining, agriculture, infrastructures in forest
concession areas (Global Inventory on Biodiversity
Offset Policies [GIBOP] 2019). Forest losses need to
be offset, involving substantial costs to find suitable
offset areas (Budiharta et al. 2018). To implement a
strict mandatory offsetting scheme, implementation
must be effective. In contexts where government
enforcement is weak, voluntary schemes may prove
more effective (Droste et al. 2022). Further details are
provided in the Technical Annex.
This report recognises that biodiversity offsets are
compensation mechanisms that may not lead to net
positive outcomes for nature. There is a growing
scepticism towards some components of the
market for nature. Voluntary offsets are increasingly
excluded from comprehensive ?nature finance?
definitions due to concerns about integrity and
additionality, with such instruments now viewed
primarily as mitigation tools rather than genuinely
positive investments. However, this analysis includes
finance mobilised through mandatory biodiversity
offset schemes with the rationale that, in the
absence of these schemes, most damage to nature
by developers would not be compensated. Therefore,
the investment in offsets represents a net gain over
this business-as-usual scenario.
40 | UNEP | State of Finance for Nature 2026
3.3.8 Payments for ecosystem services
Private NbS finance flows through PES reached
approximately US$4.2 billion in 2023. PES are
systems for the provision of environmental services
through conditional payments to voluntary providers
(Taconi 2012). Third parties acting on behalf of
users compensate landholders for activities that
maintain or enhance ecosystem services delivery.
The buyer is a public or private entity (such as a
conservation group) that may not directly use the
ecosystem service. While public-sector and donor-
backed programmes still dominate, private sector
engagement in PES is increasing (Wunder et al.
2018).
There were 51 PES schemes documented as active
in 2024, many government- or donor-led. There has
recently been an increase in corporate-led or co-
financed schemes, including watershed protection
initiatives by beverage companies and biodiversity-
linked regenerative agriculture programmes.
Common sectors engaging in PES include forestry,
agriculture (e.g. related to avoided land degradation)
and freshwater supply. To estimate private finance
flows to PES, this analysis multiplies the PES
estimate (US$10.1 billion) reported in OECD (2021)
with the private market share reported by Salzman
et al. (2018), downscaling the result by 22 per cent
and 44 per cent to derive upper and lower bounds.
Further details are provided in the Technical Annex.
3.3.9 Certified commodity supply chains
Private finance flows to NbS via certified
commodity supply chains are estimated at
US$4.6 billion in 2023. Estimates are calculated
based on the additional costs incurred to change
production practices to obtain certification under
recognised sustainability standards. Certified forest
products (US$2.3 billion) dominate, accounting for
half of finance channelled to certified commodity
production (Figure 22). Certified seafood accounted
for more than a third.
Figure 22: Private NbS finance flows through certified commodity supply chains, 2019?23 (billion US$)
Note: Authors? calculations. FSC=Forest Stewardship Council; RSPO= Roundtable on Sustainable Palm Oil; RA-4C=Rainforest Alliance -
Common Code for the Coffee Community; RTRS=Roundtable on Responsible Soy. Based on 4C (2023), GCP (2021), Breukink et al. (2015),
FAO (2020; 2022; 2024a; 2024b), FSC (2020; 2021; 2022; 2023), IDH (2020; 2021a; 2021b), PEFC (2019; 2020; 2021; 2022; 2023a; 2023b),
Proterra (2022), Rainforest Alliance (2021; 2022a; 2022b; 2024a; 2024b), RSPO (2023), Statista (2025), World Bank (2025) and WWF (2022).
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
Certified
FSC-PEFC
forestry products
Certified
seafood
RSPO
certified
palm oil
RA-4C
certified
coffee
RA
certified
cocoa
RTRS and
proterra
certified soy
2019 2020 2021 2022 2023
41 | UNEP | State of Finance for Nature 2026
Investment in the sustainable production and
certification of coffee, palm oil, soy and cocoa
markets remains a huge opportunity to transform
the production of these commodities which play
a major role in driving deforestation, ecosystem
conversion and degradation globally. Investment in
the certification of these commodities amounted
to just US$660 million in 2023 (Figure 22), less
than 15 per cent of the total certified commodity
market. Roundtable on Sustainable Palm Oil (RSPO)
certification garnered US$300 million in private
finance, accounting for roughly 12 per cent of
global palm oil crop area and 20 per cent of supply.
Rainforest Alliance and 4C coffee certification,
which covers nearly a third of global green coffee
production, attracted only US$190 million in
investment. See the Technical Annex for details.
Although investment in certified commodity
production has increased, it remains dramatically
insufficient to address the drivers of nature loss from
unsustainable agri-food systems. Limited access
to capital, particularly for smallholders, and high
transaction costs are key barriers (Hidayati et al.
2021; Raman et al. 2025). Moreover, market demand
for certified goods often lags supply (Jones et al.
2024). In 2023, 39 per cent of Rainforest Alliance-
certified coffee was sold as conventional coffee
due to insufficient demand (IISD 2022; Rainforest
Alliance 2024b). Similarly, 43 per cent of Rainforest
Alliance-certified cocoa was sold as conventional
cocoa (Rainforest Alliance 2024a). Strengthening
partnerships between private finance, governments,
and NGOs could help bridge this gap, fostering
innovation and improving traceability for global
supply chains. As stakeholders prioritise alignment
between environmental, social and economic
goals, a concerted effort to enhance investment
in underfunded sectors, such as certified coffee
and soy, will be critical in achieving long-term
sustainability targets.
3.4 Concluding remarks
Public and private finance for NbS reached US$220
billion in 2023, a five per cent increase from 2022.
Public finance (US$197 billion) continues to provide
the main source of NbS investment, driven largely
by domestic expenditure (US$190 billion) and
complemented by ODF (US$6.8 billion) and DNS
(US$0.6 billion). Private finance (US$23 billion)
remains comparatively limited, mobilised primarily
through market-based instruments (~US$13 billion)
and certified commodity supply chains.
While finance flows for NbS have continued to grow,
they remain far below the levels required to meet
global biodiversity, climate and land restoration
goals. Persistent challenges?including integrity
concerns in voluntary markets, uneven access to
finance, and constrained fiscal space?underscore
the need for stronger policy alignment, improved
transparency and monitoring, and targeted use
of public finance to de-risk and leverage private
investment. Accelerating progress towards the
Global Biodiversity Framework and the Paris
Agreement targets will require systemic integration
of NbS into national budgets, development planning
and private investment strategies.
42 | UNEP | State of Finance for Nature 2026
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43 | UNEP | State of Finance for Nature 2026
Annual finance flows to NbS of US$220 billion
need to increase more than two and a half times
from current levels to US$571 billion by 2030 and
to more than triple to US$771 billion by 2050 to
reach Rio targets.1
This chapter analyses investment needed in NbS to
meet Rio Convention targets based on SFN 2023
modelling. The SFN Rio-aligned scenario quantifies
investment needed to reach 30by30, limit climate
change to 1.5°C and reach land degradation
neutrality by 2030. Total annual investment needs
are based on current finance flows (Chapter 3) and
additional investment needs modelled using the
Model of Agricultural Production and its Impact on
the Environment (MAgPIE), complemented with off-
model sources.
In addition, investment in enabling conditions is
essential to ensure investment in NbS implementation
is effective. Finance can act as an enabler of the
transition to nature-positive outcomes when public
and private actors, domestic and international,
help to build the institutional, policy and market
frameworks that allow capital to flow at scale (IPCC
2022). Investing in enabling conditions includes
improving governance practices around international
1 Investment needs refer to annual financial resources required including
current finance flows as well as additional finance required for new projects to
meet Rio targets.
commitments, uncovering hidden risks by better
understanding risk-return profiles and enhancing the
capacity of systems and actors, ensuring that financial
resources are mobilised and effectively translated into
durable, nature-positive outcomes.
4.1 Investment needs and finance gap
Figure 23 displays investment opportunities in
NbS grouped under protection, restoration and
sustainable land management from 2030 to 2050.2 It
is assumed that current finance flows are committed
to current projects so the modelling focuses on
additional investments needed.
Additional investment needed in 2030 is highest
for restoration at US$181 billion, followed by
sustainable land management (US$101 billion) and
protection (US$68 billion). Additional investment
needed increases from US$350 billion in 2030 to
US$ 550 billion in 2050, driven by the required
scale-up of agroforestry systems (+144 per cent)
and restoration, including reforestation (+28 per
cent). While investment needs for protection
appear low, SFN 2023 and the State of Finance for
2 NbS categories and model assumptions are described in the Technical Annex.
Investment needs for
nature-based solutions4
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44 | UNEP | State of Finance for Nature 2026
51 51 51
51
51
13 13 13
14
15
31
40
48
57
66
18
21
9
10
9
2030
9
2035
9
2040
9
2045
9
2050
571
611
652
711
771
Mangrove restoration*
Saltmarshe restoration
Peatland restoration
Seagrass restoration
Reforestation
Grazing-optimal intensity
Cover crops
Agroforestry-silvoarable
Agroforestry-silvopasture
2023
98 111 124
148
171
29
29
29
29
29
45
36
26
25
23
58
81
104
127
149
220 220 220 220 220220
Avoided mangrove impact*
Avoided seagrass impact*
Avoided peatland impact
Avoided grassland conversion
Avoided deforestation
Protected areas
Protection
Sustainable Land Management
Restoration
2.80.8 2.81.4 2.82.0
2.81.8
2.81.6
11
7 5
6
14
8
Figure 23: Annual investment needs in NbS to reach Rio targets, 2030-2050 (billion US$)
Note: Authors? calculations. *Values not visible in the figure due to low value.
45 | UNEP | State of Finance for Nature 2026
Forests (UNEP 2025) indicate that this is due to its
cost-effectiveness and the low per hectare cost of
protection relative to restoration and sustainable
land management-related NbS. Protection-related
NbS represent roughly 80 per cent of additional land
area needed for NbS by 2030 while absorbing only
20 per cent of additional NbS finance (UNEP 2023).
Where possible, protection should be prioritised.
In the modelling, as climate action intensifies,
pressure on land systems increases. Meeting climate,
biodiversity and land degradation targets requires
allocating more land to forests and regrowth of natural
vegetation, which reduces the availability of land for
agricultural production. This shift drives up the level
of investment needed, particularly in areas of more
efficient agricultural production. Climate pledges of
countries assume that almost 1.2 billion hectares of
land can be prioritised for greenhouse gas removal
(Dooley et al. 2022), an area larger than Canada and
around 11 per cent of the world?s habitable land.
Methodological and data challenges constrain
accurate estimation of global and regional
investment needs. A key issue is the lack of
standardised definitions and taxonomies for what
constitutes an NbS intervention. Different institutions
and studies use different elements from ecosystem
restoration and green infrastructure to biochar and
fire management leading to inconsistent scopes
(Seddon et al. 2021; UNEP 2023). Furthermore, data
gaps, particularly in low-income regions, limit the
precision of cost modelling and investment tracking.
Many countries lack up-to-date land use and
ecosystem data, which hinders robust estimation,
particularly for restoration and conservation efforts
(Davison et al. 2021; Nedd et al. 2021).
The quantitative estimates presented here cover only
a subset of NbS, selected based on their mitigation
potential and data availability and quality. Further
details are provided in the Technical Annex.
4.2 Investing in enabling conditions
While direct investment in NbS is critical to scale
implementation sufficiently to reach Rio targets,
it is equally important to invest in an enabling
environment that incentivises and supports
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mainstreaming finance in nature at scale. This
indirect investment in NbS includes expenditures
related to building enabling policy frameworks,
strengthening local institutions, enhancing financial
market capacity and supporting knowledge systems
and data platforms, along with other leverage
points outlined in Chapter 5. Investment in enabling
conditions, which are often overlooked in headline
figures, are essential for implementation and scaling.
Robust regulatory frameworks are essential to
address risk and mobilise investments to scale local
initiatives (Lebelt et al. 2023). Policy frameworks
and oversight are also important to avoid unforeseen
negative externalities and harm to nature and
communities, which may arise from local initiatives
that do not consider their systemic impact (IUCN
2020).
Investing in NbS is not just an environmental
imperative, it is a high-return, long-term strategy
for economic resilience and intergenerational
well-being. Due to the transformative potential of
NbS and their multiple benefits, investing in NbS
supports the economic and social well-being of
current and future generations. There is ample
evidence that NbS are cost-effective solutions
to many global challenges. One dollar spent on
ecosystem restoration provides economic benefits 7
to 30-times greater (Verdone et al. 2017). A review
of NbS for disaster risk reduction found that NbS
projects are more effective in attenuating hazards
than engineering-based solutions (Vicarelli et al.
2024). With the growth of nature markets, evidence
suggests that businesses can unlock around
US$10 trillion in opportunities and create more
than 395 million jobs by 2030 by prioritising nature
(Trankmann 2025).
46 | UNEP | State of Finance for Nature 2026
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47 | UNEP | State of Finance for Nature 2026
This report has shown how business-as-usual locks
us deeper into further degradation of ecosystems.
In 2023, finance directly harmful to nature reached
US$7.3 trillion, while investments in nature-based
solutions (NbS) amounted to only US$220 billion
? a ratio of more than 30:1 (Figure 24). To meet
global commitments under the Rio Conventions,
NbS investment must increase by more than two
Transitioning finance flows for
nature-positive outcomes
and a half times to US$571 billion by 2030, while
harmful flows must be phased out and repurposed.
Governments need to tackle environmentally
harmful subsidies while increasing investment in
NbS through domestic and international public
expenditure. It is also time for the private sector
to step up and scale investment in nature, seizing
opportunities to nature and climate proof economic
activities and financial portfolios.
5
Figure 24: Nature-negative finance and NbS finance flows in 2023 and future NbS investment needs
US$2.4 tn
public EHS
US$4.9 tn
private
2030 20502023
US$571 bn
US$220 bn
US$771 bn
NbS investment needs
to increase by > 2.5 times to
US$571 billion by 2030
US$220 billion in NbS finance
90% (US$197 billion) is public finance
US$7.3 trillion in public and private
nature-negative finance flows
30X greater than NbS finance
NbS investment needed
NbS finance flow in 2023
Nature-negative finance (public)
Nature-negative finance (private)
48 | UNEP | State of Finance for Nature 2026
5.1 A Nature Transition X-Curve
To spark the ?Big Nature Turnaround?, this report
proposes a pragmatic conceptual framework with
transition pathways that set out leverage points
towards a future nature-positive economy. These
leverage points represent actions for governments,
financial institutions and businesses to tackle nature-
negative finance and increase investment in nature
(see the Technical Annex for a full list). It is only by
implementing the Nature Transition X-Curve across
sectors that the US$7.3 trillion in global nature-
negative finance can be phased out and repurposed.
Transformative change on this scale is challenging
but possible. Reforestation of degraded land at a
national scale in Costa Rica was enabled through the
introduction of financial incentives through a levy on
fossil fuels. In Denmark the transition away from fossil
fuels and to on- and off-shore wind was incentivised
through energy taxes allocated to wind energy
research, feed-in tariffs and carbon taxes (UNFCCC
2023). This type of change requires vision with strong
policy signals, grounded in actionable evidence-based
transition plans.
The Nature Transition X-Curve (Figure 25) illustrates
how transformative change is actioned through
transition pathways (Wittmer et al. 2021; Hebinck et
al. 2022). Achieving nature-positive outcomes requires
phasing out finance for activities that drive the loss of
nature (red line) and phasing in (scaling up) finance
for activities that support nature (green line). Enabling
conditions for the transition include the creation of
actionable knowledge to reshape existing practices
(dark blue line), approaches for engagement and
equity for key stakeholders (light blue line), particularly
IPs and LCs and the development of shared vision
(orange box). Aligning this vision with goals set by
the Rio Conventions (orange box) can help inform the
pathways needed (Wittmer et al. 2021).
Figure 25: The Nature Transition X-Curve ? A framework for the transition to a nature-positive society
Note: Authors? illustration. Building on Loorbach et al. 2017; Wittmer et al. 2021; Hebinck et al. 2022.
Activities with
negative impacts
on nature
Knowledge
Activities with
positive impacts
on nature
Engagement
and equity
Living in harmony with nature
Land degradation neutrality
Limiting global warming
to 1.5° C
Achieving Rio
Convention targets
Vision Scaling up Engagement and equityPhasing out Knowledge
Vision
Human and planetary
well-being based on
investing in nature and
economic activity that
builds resilience
Nature-
positive
outcomes
Nature-
negative
outcomes
49 | UNEP | State of Finance for Nature 2026
Transition planning towards nature-positive
outcomes requires action by government, central
banks and supervisors, financial institutions and
corporates as well as IPs and LCs and local actors.
By using this framework actors at different scales
can develop tailored Nature Transition X-curve
prioritising the leverage points and activities
relevant to them.
Distinctions can be made between short-term
actions that provide the foundation for medium-
term developments, and those that set the stage for
long-term transition. Together they can achieve the
needed transition across sectors. Early initiatives
such as assessing and disclosing nature impacts
and dependencies, promoting nature financing
instruments and pilot projects, may support longer-
term systemic goals. However, incremental change
through transition plans will not be sufficient to
avert the climate, nature or ecosystem degradation
crises affecting so many communities already.
Urgent systemic transformation is critical (IPBES
2019; IPBES 2024a).
5.2 A Nature Transition X-Curve for
policymakers
To illustrate how the Nature Transition X-Curve
can be applied, this section offers an X-curve for
policymakers (Figure 26). To drive the transition
towards nature-positive outcomes, clusters of
leverage points for policymakers are identified.
The leverage points cover different themes such
as governance, laws and policy reform, systemic
coherence and integration, equity rights and
participation.
A selection of leverage points is shown in coloured
boxes along the transition pathways. Red boxes
indicate what should be phased out over time and
the green boxes identify what should be phased in or
scaled up. Knowledge (dark blue), engagement and
equity (light blue) and vision (orange) are essential
enabling conditions. The mapping does not reflect
priority, relevance, effectiveness or sequencing of
implementation, which will depend on local context.
The Technical Annex has a full list of leverage points.
The X-curve can inform the development of strategies
for more sustainable finance action by different
actors. For example, certain departments within
governments and financial institutions may focus
on standards, metrics and data, while others may
focus on instruments, alignment with processes
and capacity building. However, it is critical that
strategies like climate transition plans at national and
corporate level are coherent and create synergies. By
identifying leverage points for transformative change,
policymakers can target actions that form the basis of
a transition plan.
50 | UNEP | State of Finance for Nature 2026
Vision Scaling up Engagement and equityPhasing out Knowledge
Vision
Agree on a goal
and definition for
a nature-positive
economy
Reform subsidies
harmful to nature Support workers and
businesses affected
by the green transition
Mandatory standards for
disclosure of impacts
and dependencies
Fiscal instruments to
disincentivize harmful
environmental
practices
Ensure carbon
markets meet strong
environmental and
social standards
Act on legal and financial
liabilities of investment that
harms climate and nature
Embed NbS in
legal systems
Develop verification
and certification for
nature-related
investments
Increase public
investment in nature
through green budgeting
and procurement
Support
integrated
landscape
initiatives
Use fiscal
incentives to
attract private
capital for nature
Regulation that
rewards sustainable
finance
Foster
public-private
partnerships for
blended finance
and de-risking
Align climate
and biodiversity
agendas
Recognize the
rights of local and
Indigenous
communities
Support developing
countries in designing
sustainable
development pathways
Recognize the
connection between
poverty eradication
and biodiversity
conservation
Improve funds and market
access for women and
marginalized groups
Strengthen local
democracy and
community control
over land use
Design policies to ensure the
participation of women, youth and
smallholder producers in decision
making following GESI principles
Design inclusive trade
policies respecting
indigenous & local rights
and gender (GESI)
Create high-integrity
markets for nature
and NbS
Promote innovative nature
finance like debt-for-nature
swaps, green bonds and
impact funds
Require biodiversity
impact assessments for
investments using
credible,
nature-inclusive
standards
Strengthen
environmental
considerations in
trade rules and
incentives
Embed nature impacts
and dependencies in
monetary policy and
supervision
Mandate finance
institutions to divest
from nature-negative
activities
Create standard metrics and methods to show
benefits of NbS and nature-positive investments
Integrate diverse knowledge systems, including
indigenous, ensuring data sovereignty
Expand financial education for
underserved populations
Adopt
regenerative
views, structures
and practices
Develop sector-specific
nature-positive
transition pathways
and policy frameworks
Mainstream nature
in the global
economic agenda
Nature
positive
outcomes
Nature
negative
outcomes
Living in harmony with nature
Land degradation neutrality
Limiting global warming
to 1.5° C
Achieving Rio
Convention targets
Figure 26: Nature Transition X-Curve for policymakers
Note: Authors? illustration.
51 | UNEP | State of Finance for Nature 2026
5.3 Using the X-curve to inform action
Developing a vision
A whole-of-government approach to climate,
biodiversity and restoration helps to ensure policy
coherence across sectors in phasing out finance
that is negative for nature and promoting finance
with nature-positive outcomes.
Integrating NbS and a vision for a nature-positive
economy into National Biodiversity Strategy and
Action Plans (NBSAPs), Nationally Determined
Contributions (NDCs), Land Degradation Neutrality
(LDN) strategies and other national strategies, e.g.
related to bioeconomy, can provide an opportunity
for creating synergies in implementation and
financing across the Rio Conventions and the SDGs.
In parallel, jurisdictions like China and the EU are
developing legally binding reporting requirements for
corporations and financial institutions (GBF Target 15).
Governments are implementing national accounting
systems integrating nature following guidance from
the System of Environmental Economic Accounting
(SEEA) (GBF Target 14). Understanding human-nature
connectedness should be mainstreamed and an integral
part of education, health, spatial planning, infrastructure
development, communication and art. These actions
have the potential to shift mindsets and paradigms
towards more nature-based principles. Broad-based
adoption of regenerative policies and practices can push
social norms away from consumerism towards more
sustainable lifestyles. It is also important to recognise
and integrate diverse forms of knowledge, worldviews
and values including those of IPs and LCs, many of which
have deep knowledge and relationships with nature.
Governments should support the development of a
global standard on nature. In early 2024, the International
Sustainability Standards Board (ISSB) decided to initiate
work on nature-related issues and recently announced
that it will draw on the recommendations of the TNFD.
Following the release of the International Financial
Reporting Standards (IFRS) S1 standard on sustainability
and the IFRS S2 standard on climate-related disclosures,
a third standard on nature would help to establish a
global baseline on nature reporting. There is growing
support ? 77 per cent of investors would like to see a
nature standard (TNFD 2025).
Phasing out nature-negative finance
If policymakers repurpose harmful subsidies
and eliminate incentives for nature?negative
activities, they can help enable incentives
for nature-positive outcomes and support
workers and businesses in affected sectors.
This includes re-training, dedicated credit lines,
transition assistance and alleviation measures
to promote a just transition (UNDP 2024).
Biodiversity should be embedded in central bank
and financial supervisory mandates to mainstream
nature into supervisory frameworks and monetary
policies. Metrics on biodiversity impacts and
dependencies could become part of portfolio
management and drive financial sector alignment.
This includes requiring all large companies and
financial institutions to systematically assess,
monitor and publicly disclose their nature-related
risks, impacts, dependencies and opportunities
(DIRO) by enacting binding disclosure laws and
harmonising standards (e.g. TNFD, CSRD and ISSB).
Public and private finance can work against
each other when providing conflicting
incentives. Nature-positive outcomes should
be mainstreamed, and policy coherence
prioritised across ministries including ministries
of finance (German Development Cooperation
2025). Improving collaboration and governance
frameworks for the protection and management
of shared and transboundary natural resources
is critical for ensuring sound ecosystem
management. Mainstreaming of nature across
the global economic agenda can help identify and
phase out nature-negative finance, supported
by Key Performance Indicators (KPIs) to align
governments, businesses and financial institutions
with Rio targets (Mirzabaev et al. 2023).
Embedding gender and social equality in
disclosure laws and standards will enhance
inclusive, effective and sustainable outcomes.
Such information can guide investors in decision
making on divesting from assets related to nature-
negative impacts or engaging with clients to
promote climate and nature transitions (Finance
for Biodiversity Foundation [FfBF] 2022). This
can be facilitated by embedding NbS into legal
52 | UNEP | State of Finance for Nature 2026
systems and incentives that promote nature-positive
finance flows such as taxonomies and standards
defining criteria for investment in NbS, criteria
defining nature-negative finance and establishing
?do no harm? guidance.
Governments, finance and business need to take
account of the growing legal and financial liabilities
associated with investments that harm the climate
and nature. The recent International Court of Justice
(ICJ) Advisory Opinion affirms States can be held
internationally responsible for failing to meet their
obligations to prevent and address climate change.
As part of due diligence, governments should regulate
private actors, including financial institutions, whose
investments may contribute to nature and climate-
destructive activities (König-Sykorova et al. 2025).
Box 2: Finance sector roadmap
A finance sector roadmap has been developed
to guide how the global financial system should
respond to and align with the GBF. This strategic
framework outlines the critical role financial
institutions must play in supporting biodiversity
conservation and sustainable development
goals. A detailed report card was released
at CBD COP16, providing an assessment of
progress and identifying key areas where the
financial sector needs to accelerate biodiversity-
related initiatives (CBD 2025). Another report will
be presented at COP17 in Armenia in 2026. This
report will feature actions and implementation
strategies for financial institutions to further
integrate biodiversity considerations into their
operations and investment decisions.
Scaling finance for nature-positive outcomes
By prioritising efforts to catalyse and unlock
private capital for NbS and nature, policymakers
play a key role in promoting sectoral strategies,
supporting green-finance instruments, such as
biodiversity-linked bonds and blended public-
private finance.
Governments can introduce regulations and
fiscal incentives that reward early adopters of
sustainable finance models and foster public-private
partnerships to de-risk nature-positive investments.
Governments can also support innovative economic
instruments including insurance products that
integrate nature-related risks and opportunities,
debt-for-nature swaps, biodiversity-focused green
bonds, impact funds, seed-funding for nature-
positive businesses, microcredits, digital services
and other experimental pilots that can catalyse
new markets (BIOFIN 2025). To ensure credibility
and additionality, governments must support
development of standard metrics, baselines and
methods for measuring the benefits of NbS for
robust verification and certification.
Scaling up NbS requires demonstrating their
economic value and integrating them into public
finance and development strategies.
NbS investment can be scaled by showcasing their
cost effectiveness and ability to generate revenues
(Economics of Land Degradation [ELD] 2013; Verdone
et al. 2017; Thomas et al. 2024). For example,
integrating NbS into green-grey infrastructure not
only enhances public benefits from nature (e.g.
flood control, urban cooling and recreation) but
also reduces costs (e.g. in stormwater treatment,
provision of clean drinking water, avoided healthcare
costs), making NbS an economically attractive option
(European Investment Bank 2023). Governments can
increase public investment in nature through ?green
budgeting? and ?green public procurement? and scale
concessional finance, including preferential agricultural
credit/loans. Creating national and global funding
mechanisms that promote NbS can support the SDGs
(Cumming et al. 2017).
Greening public finance can also ?nature proof?
ODF. Mainstreaming nature into the global economic
agenda by establishing requirements for national and
international finance institutions to remove nature-
negative lending and addressing sovereign debt
challenges that hinder investment in nature can help
phasing out nature-negative finance and support more
coherent finance strategies for nature. Ensuring that
53 | UNEP | State of Finance for Nature 2026
NbS are integrated in ODF and development funds
(e.g. Global Environment Facility) supports alignment
of finance with Rio targets. Establishing science-
based metrics and baselines for monitoring and
verifying impacts of investment is critical to ensure
credibility, create trust and avoid greenwashing.
Box 3: Scaling revenue for nature
While much of the discourse on domestic NbS
and nature finance focuses on spending, the
sustainability and sufficiency of government
revenues is equally important. This is critical in
developing economies, where tax-to-GDP ratios
are low and fiscal space is constrained. Tax
revenue generated by increased economic activity
associated with NbS can strengthen the business
case for public actors (Triodos 2025). Growing
opportunities lie in carbon and biodiversity
pricing instruments, including emissions trading
systems (ETS) and carbon taxes. In 2023, income
generated through regulated sources under ETS
reached US$240 billion (International Carbon
Action Partnership [ICAP] 2024; World Bank 2024).
In parallel, government revenues from carbon
taxes, currently applied to just under five per cent
of global emissions, rose from US$25 billion in
2020 to US$33 billion in 2024. Around 52 per cent
of carbon revenues (US$47 billion) have been used
for climate and nature, with half of jurisdictions
dedicating all or part of revenues to this aim
(Institute for Climate Economics [I4CE] 2024).
Revenue generated from biodiversity-related
taxes were roughly US$10.9 billion (mean average
2020?2022), with 92 per cent in OECD countries.
This represents only 0.06 per cent of global tax
revenue (OECD 2024a). Strengthening domestic
revenue mobilisation through progressive
taxation, subsidy reform and the integration of
natural capital accounting is vital to align public
budgets with biodiversity targets in national
development plans and global frameworks, such
as the GBF. The Revenues for Nature Guidebook
(Green Finance Institute 2025) series details
several models that governments can apply or
support to increase nature-related revenues.
To unlock private sector investment in NbS,
public policy can create the right incentives,
reduce risks and support viable markets that
reflect the full value of nature as well as push
forward regulatory reform where needed.
Many ecosystem services are public goods and
provide multiple benefits that may not have direct
private financial returns but do support resilience
(e.g. in supply chains) which can generate cost
savings and mitigate financial losses. Fiscal and
policy instruments (e.g. through fiscal transfers)
can provide market signals that account for the
many benefits provided by nature and to catalyse
private investment in NbS. Public finance can play
an important role to mobilise private sector finance
for NbS by co-financing and de-risking investment
through blended public-private finance solutions,
green bonds, insurance schemes, debt-for-nature
swaps and others (UNDP BIOFIN et al. 2024)
Multilateral Development Banks (MDBs) can
play an important role in enabling public-private
partnerships and blended finance schemes (OECD
2025d). Engagement of public and private financial
institutions is critical. This includes scaling
concessional finance providing more favourable
conditions for investment in NbS or insurance
products that use NbS to build resilience and de-risk
insurance schemes (UNDP BIOFIN et al. 2024).
Policymakers play a critical role in exploring
and incentivising opportunities to expand the
implementation of nature-based solutions
across the real economy.
NbS are being implemented to construct wetlands
around cities to avoid flooding whilst delivering
a consistent water supply. Green urban spaces
reduce ?heat island effects? during summer months
plagued by increasing heatwaves. In utilities,
energy transmission lines can create corridors for
wildlife, and offshore windfarms can be retrofitted
to create net-positive reefs for marine biodiversity.
Self-healing concrete using bacteria to prolong the
life of buildings is emerging as a new cost saving
measure, whilst in apparel, mushrooms can be
grown to deliver vegetable-based leather for shoes
54 | UNEP | State of Finance for Nature 2026
or handbags. The Little Book of Nature Business
sets out an ?investment opportunity framework for
nature? that offers over 100 case studies of scalable
opportunities in business today (Little Book of
Nature Business 2025). The TNFD provides more
limited guidance and use cases on several nature
opportunities (TNFD 2023b).
If market-based approaches for NbS, such as
carbon and biodiversity markets, follow robust
environmental and social standards, they can
contribute meaningfully to scale up investment in
nature-positive outcomes, including safeguarding
integrity and equity. Seed funding for nature-
positive businesses can help to promote innovative
approaches and experimental spaces for, for
example, enterprises that use nature as a core
element of their products and/or services e.g.
regenerative agroforestry.
Engagement and equity for rights-holders
NbS are most effective when they arelocally
grounded, inclusive and equitable.
Promoting local leadership in the design
and implementation of NbS ensures that
interventions are context-specific and responsive
to local ecological, cultural and social dynamics.
Gender and social equalityare critical dimensions
of inclusivity. Local stakeholders, particularly IPs
and LCs, hold key rights over land and resources
and should lead (or at minimum be engaged
fully and supported to participate) in the design
and implementation of NbS. This includes free,
prior informed consent (FPIC) of IPs and LCs and
protecting land and access rights when investing in
nature as well as integrating customary knowledge
and worldviews into the design of NbS and related
finance mechanisms. Ensuring equity among actors
requires participatory processes fostering inclusion
and co-design, enabling actors to assert their rights
and determine their futures. Transforming to a nature-
positive economy requires creating fair and equitable
models of working with nature including benefit
sharing of nature assets and financial returns, valuing
equally nature and social outcomes. Transformative
knowledge and the equity of local actors is key for
designing and financing nature transition plans.
Policymakers should work to reduce power
inequalities between actors including those
negatively impacting women to ensure that
finance flows into nature-positive activities
while supporting a just transition.
This can be done by using participatory processes,
including co-creation, co-monitoring, co-evaluation
and citizen science in the process of developing
and implementing NbS (IISD 2024). Recognising
the connection between poverty eradication and
biodiversity conservation is important as many
people depend on ecosystems for their livelihood
(UNEP FI 2023). This can include promoting financial
education programmes for underserved populations
and creating better access to funds and markets by
women and marginalised groups (Rubio et al. 2021).
Protection for environmental defenders/activists and
supporting students to become ecological leaders
can promote ownership and the long-term success
of NbS. Governance structures at international
financial institutions could be revised to empower
nature-rich countries in financial decision making,
including more inclusive trade policies that respect
ambitious environmental standards.
Knowledge
Enhancing data and knowledge systems,
including tools and indicators to track progress,
enables policymakers to foster investment
aligned with nature-positive outcomes.
Ensuring accessibility and coherence of data allows
investors, regulators and communities to make
informed decisions. Enhancing access to open-
source, location-specific measurement tools that help
quantify impacts and dependencies on ecosystems
can complement existing sector-specific assessment
tools like ENCORE (2025). Accounting for the multiple
benefits from ecosystem services should become an
integral part of assessing the costs and benefits of
investments, for example, as part of environmental
impact assessments (e.g. infrastructure
development), regulatory impact assessments (e.g.
the effects of laws and regulations such as subsidies)
and budget decisions (e.g. public procurement).
Establishing standards for impact accounting to
estimate the costs of ecosystem service loss and the
55 | UNEP | State of Finance for Nature 2026
benefits from restoration can support more informed
investment decisions (VBA 2025).
However, not all benefits can be adequately expressed
in monetary terms as nature provides multiple
values and preferences, and priorities differ among
stakeholder groups. Hence, such approaches should
recognise multiple forms of knowledge, worldviews
and values, including those of IPs and LCs. Recognising
the benefits of nature including its contributions to
human health as well as the rights of nature is
integral to achieving more positive outcomes for
people and nature. Furthermore, by exploring
the role of emerging technologies (e.g. using
blockchain and artificial intelligence (AI) for supply-
chain transparency and traceability) governments
can support the generation of high-quality data,
which can create transparency and trust and drive
investments toward more NbS with multiple public
and private benefits.
BOX 4: State of Finance for Nature in Colombia
Colombia is one of the world?s most biodiverse countries, home to nearly 10 per cent of known species
across ecosystems that span two oceans, the Amazon rainforest, deserts and the Andes. This richness
offers potential for eco-tourism, sustainable agriculture and a bioeconomy which can drive inclusive
growth and resilience. However, the country has experienced alarming rates of deforestation even within
protected areas, losing over three million hectares of forest in the past two decades, driven by agriculture,
illegal activities and infrastructure development. This trend risks neutralising the forest carbon sink in the
Amazon (Flores et al. 2024), undermining ecosystem services vital for communities, while climate change
is intensifying floods and droughts.
NbS present a range of direct and enabling activities to mitigate biodiversity loss, climate risks and
deforestation, while supporting rural and indigenous livelihoods and advancing the transition to a nature-
positive society. There is a strong case to harness the potential of NbS as cost-effective solutions in
Colombia, further strengthened by synergies across climate, biodiversity and avoided land degradation. In
2023, around half of all ODF targeting NbS received by Colombia delivered against all three Rio Conventions.
NbS finance flows to protected areas, blue-green infrastructure, wetland and landscape restoration,
climate-smart agriculture and integrated land and water management. Public domestic expenditure on
NbS in Colombia grew from US$1.2 billion in 2022 to US$1.5 billion in 2023. Biodiversity expenditure
averaged US$0.54 billion annually between 2010 and 2020, far below the US$900 million recommended
(0.3 per cent of GDP) to achieve Rio targets.
Agriculture and forestry companies contribute substantially to private NbS finance with US$0.5 billion annually
invested in sustainable commodity sourcing and production. Private sector engagement is expanding, with
over US$1.2 billion in green bonds issued in 2023, alongside biodiversity credits, PES schemes and carbon tax
revenues exceeding US$0.6 billion ? mostly linked to forestry and REDD+ initiatives.
To strengthen Colombia?s policies, an integrated approach to support the transformation can potentially
improve the investment environment without negative social consequences. The transformative change
framework in Table 4 is clustered around five building blocks.
Colombia?s path to a nature-positive economy depends on systemic change. By aligning finance with
ecological priorities, strengthening governance tools like the green taxonomy and redirecting harmful
subsidies, Colombia can accelerate conservation and restoration action. Empowering IPs and LCs as
co-implementers ensures legitimacy and long-term stewardship, while innovative blended finance can
unlock the scale of investment required.
56 | UNEP | State of Finance for Nature 2026
Table 4: Transformative change framework for policymakers in Colombia
Current status Identified leverage points
Vision: Colombia has adopted a rights-based
and biocentric approach, embedding nature into
governance and peacebuilding, aiming for a nature-
positive society by reversing biodiversity loss by 2030.
National policies?including Territorial Integrated
Climate Change Management Plans, the 2020 National
Bioeconomy Strategy, the Biodiversity Action Plan
2024?2030 and the Green Growth Program?support
green jobs and bioeconomy growth through fostering
sustainable sectors.
? Secure legal and economic rights for IPs as NbS
co-implementers
? Embed NbS targets in long-term strategies like the
Bioeconomy Strategy, updated NDCs and NBSAPs
Scaling NbS finance: Investments in NbS are growing
through innovative financing, PES, biodiversity credits
and green bonds, though alignment and scale remain
limited.
? Set clear policies and incentives
? Tailor NbS to local ecosystems
? Scale investment through incentives, sustainable
debt products and blended public?private finance
? Support nascent nature markets, e.g. biodiversity
credits
Phasing out nature negative: Public EHS (US$7.5
billion for fossil fuel, US$2.5 billion to agriculture) and
private nature-negative investments (US$9.7 billion)
outweigh finance to NbS. This undermines progress
but offers opportunities to re-direct these flows and
unlock cost-effective alternatives.
? Repurpose fossil fuel subsidies
? Integrate NbS into climate policy and channel
climate finance to ecosystem restoration for
carbon removal
? Require business and financial institutions to
assess and disclose nature-related financial risks
and dependencies
Knowledge: The Green Taxonomy provides a
foundation for classifying sustainable activities, but
NbS need stronger metrics, registries and transparency
mechanisms. Technical expertise and standardised
tools are key for scaling investments.
? Expand the Green Taxonomy to prioritise NbS
projects
? Create a centralised NbS registry
? Develop national metrics and expand training and
technical assistance to local actors
Engagement and equity for rights-holders: IPs and
LCs manage vast areas and are central to NbS through
defence of nature, stewardship, traditional and local
knowledge. Supporting local leadership ensures
legitimacy, ownership and sustainability of NbS
projects.
? Recognise and enforce the rights of IPs and LCs
and nature
? Build capacities, increase engagement and ensure
equity for IPs and rural communities
? Establish collaborative models for NbS design,
implementation and monitoring
57 | UNEP | State of Finance for Nature 2026
BOX 5: State of Finance for Nature in ASEAN
Finance flows for NbS in ASEAN need to increase seven-fold to reach Rio Conventions targets by 2030
(Figure 27). An SFN study in ASEAN provides an overview of current finance for NbS and nature-negative
finance flows and suggests how to get the wheel turning to close the NbS investment gap. Over the past
decade, ASEAN3 countries have made significant progress in integrating NbS into national development
priorities, leveraging regional cooperation and mobilising public and private investment for environmental
sustainability. Several ASEAN Member States (AMS) have embedded NbS in climate, biodiversity and
land degradation neutrality strategies, launched pilot projects that demonstrate real impact and enhanced
institutional frameworks to catalyse finance for nature. These efforts reflect a growing recognition across the
region that investing in nature is not only essential for ecological resilience but also offers significant socio-
economic benefits.
Figure 27: Current NbS finance flows, NbS investment needs and nature negative finance in ASEAN
Source: ASEAN SFN Regional Report (forthcoming). Values are in US$ billion 2024 prices.
Despite growing NbS finance ? the NbS investment gap remains substantial:
? Public domestic NbS expenditure increased by seven per cent to US$4.8 billion from 2022 to 2023.
? Private NbS finance reached US$2.6 billion in 2023 via market-based and results-based mechanisms.
? Finance flows harmful to nature are estimated at US$320 billion in 2023.
? NbS investment needed to reach Rio targets by 2030 is projected at US$54 billion annually. Current NbS
finance flows need to increase seven-fold to close the investment gap.
3 ASEAN aims to accelerate the economic growth, social progress, and cultural development in the region through joint endeavours in the spirit of equality
and partnership. https://asean.org/what-we-do/. The Association of Southeast Asian Nations (ASEAN) was established in 1967 and has 10 Member States
-Brunei Darussalam, Cambodia, Indonesia, Lao PDR, Malaysia, Myanmar, Philippines, Singapore, Thailand and Vietnam.
US$320 bn
US$8 bn
US$54 bn
US$49 bn
37 32
5
8
Protection
Restoration
Sustainable land management
Additional
NbS finance from
public and private
sources
2 4
in nature-negative
activities
Current flows
to nature-based
solutions
Investment needed to
achieve Rio targets
155 bn public
165 bn private
2030 205020232023
x7
Repurposing nature-negative activities toward
nature-positive investments would significantly
narrow the funding gap in ASEAN
58 | UNEP | State of Finance for Nature 2026
Leverage points for transformative change in ASEAN
Vision
ASEAN?s commitment to sustainable development and ecosystem resilience is reflected in its biodiversity
and climate frameworks. There are signs of a regional consensus on the importance of nature-positive
development. To scale up, this vision must be consolidated across economic, sociocultural and
environmental pillars and anchored in investment, trade and financial strategies. The ASEAN taxonomy for
sustainable finance represents a crucial step in this direction.
Scaling up finance for nature-based solutions
ASEAN is engaging in multiple efforts to expand finance for NbS, e.g. the ASEAN Climate Finance Access
and Mobilization Strategy, the ASEAN Green Initiative and ASEAN Guidelines on Nature-Based Solutions. The
leverage points below offer sector-specific policy measures that can support the formulation of national and
regional policies.
? Developing policy and institutional frameworks for mainstreaming NbS;
? Enabling private investment in sustainable forestry through nature-related risk assessment and
monitoring;
? Leveraging high-integrity carbon markets to channel finance into NbS;
? Scaling up financing via payments for ecosystem services schemes;
? Bridging data and knowledge gaps on NbS by harnessing existing knowledge platforms;
? Scaling market demand for NbS through sustainable public procurement; and
? Mobilising private capital for NbS in agriculture through de-risking instruments.
Phasing out nature-negative
The ASEAN Joint Statement on Climate Change to COP29 (2024) calls for stronger coherence across public
policy, sustainable finance taxonomies and disaster risk financing ? a platform from which EHS reform efforts
can gain political traction. Clear definitions, impact screening and regional cooperation mechanisms (e.g.
through the ASEAN Disaster Resilience Platform) can support the reallocation of subsidies and investment
toward more regenerative sectors. The ASEAN Taxonomy for Sustainable Finance offers already guidance.
The ASEAN SFN presents the repurposing of environmentally harmful subsidies through time-bound transition
plans as a key leverage point for phasing out nature-negative finance.
Engagement and equity
Equity, engagement and empowering stakeholders are essential to drive the nature-positive transition.
ASEAN?s frameworks recognise this through the promotion of social forestry, community-based natural
resource management and inclusive urban adaptation strategies across NDCs, NBSAPs and LDNs. However,
access to finance, technical support and decision-making power remains uneven. Regional efforts, such as
the ASEAN Socio-Cultural Community Blueprint and the ASEAN Working Group on Climate Change Action
Plan, should be used to enhance capacity-building and equitable access to nature-positive finance. This
includes supporting IPs and LCs, SMEs and local governments through targeted financing mechanisms,
inclusive governance models and fair benefit-sharing arrangements.
Knowledge
Knowledge gaps and data limitations on private finance flows, biodiversity outcomes and ecosystem
service values hinder scaling up NbS finance. Data gaps must be closed and systematically integrated
in national and regional databases. Standardised frameworks and regional cooperation on monitoring
systems can enable transparent, harmonised tracking of nature-related financial flows. Additional potential
lies in expanding knowledge platforms and regional dialogues to share experiences, harmonise methods
and promote innovation.
59 | UNEP | State of Finance for Nature 2026
5.4 Concluding reflections
What kind of society do we want to live in? The
GBF challenges governments to make a choice
between a business-as-usual economic trajectory
towards breaching all nine planetary boundaries, a
climate that is even hotter than today and oceans
with more plastic than fish, undermining the
stability of the global economy and the financial
system. Or a more sustainable, climate resilient and
nature-positive society, where NbS are integrated
across economic sectors, from real estate and
infrastructure to manufacturing and agriculture.
Some opportunities include:
Opportunities in cities. The choice is between
cities that are concrete jungles, unable to release
heat absorbed from the warming climate or cities
that adapt and integrate green infrastructure such as
parks and wetlands for recreation, cooling and flood
control while delivering human well-being, liveability
and productivity.
Opportunities in food systems. Industrialised
agri-food systems, where soils are exhausted and
dependent on chemical inputs, are in a race to the
bottom where environmental costs are externalised
to society and profits are concentrated in a few big
businesses. The alternative is agri-food systems
that transition to regenerative practices, improving
soil health, deploying integrated systems (including
agroforestry) to optimise diversity, yields, livelihoods
and nutrition with improved ecological conditions.
Opportunities in infrastructure. Governments
can continue to encourage grey infrastructure that
is increasingly vulnerable to weather extremes
and takes little account of impacts on nature.
Alternatively, governments can use NbS as
infrastructure, for example, oyster reefs to clean
polluted port water, wetlands as cost effective
filtration systems for municipal water utilities and
nature-based self-healing building concrete to
reduce maintenance costs of roads.
The ?Big Nature Turnaround?. The goal is to re-
direct the US$7.3 trillion contributing to nature-
negative outcomes and to re-purpose it to deliver
nature-positive outcomes. The Nature Transition
X-Curve suggests how this can be done. The
evidence and analysis of NbS finance allows society
to track how it is doing in relation to the goals set out
by the Rio Conventions. We encourage readers to use
the findings to visualise what a more climate resilient
and nature-positive society looks like and how it can
become a reality.
Investing in nature. We should not look at investing
in nature as a ?nice to have? or something that is
disconnected from the economy. The only way
to meaningfully increase investment into NbS
and to reduce nature-negative capital flows is by
embedding a nature-positive approach into every
aspect of our lives, in every sector across the
economy, so that it becomes a central theme of
government expenditure and in investment decisions
of financial institutions and businesses. We hope
this report will support more informed lending and
investment decisions. In the end, the prosperity of
the economy and the stability of the financial system
depends on intact nature (NGFS 2022).
60 | UNEP | State of Finance for Nature 2026
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71 | UNEP | State of Finance for Nature 2026
Technical Annex
Nature-negative finance
Table A1: Public nature-negative finance: Environmentally Harmful Subsidies (EHS)
Source dataset(s): IISD-OECD fossil fuel subsidy tracker (IISD-OECD 2025), OECD Estimate of Support to Agriculture
(OECD 2024a), EarthTrack (2022; 2024).
Approach: A literature review identified sources of subsidies targeting agriculture and fossil fuels. Annual estimates
for country-level fossil fuel subsidies are from Fossil Fuel Subsidy Tracker (IISD-OECD 2025) that covers 192
countries. Agricultural EHS estimates are derived from annual Estimates of Support to Agriculture (OECD 2024a) and
are calculated as the ?most distorting support?, which is the sum of positive market price support, output subsidies
and input subsidies which allow unconstrained use of variable inputs. Positive market price support encourages
overproduction by raising the price of output above the market price, while subsidies which do not constrain the use of
inputs have harmful impacts on nature (OECD 2024b). Estimates on water, transport, forestry, construction, fisheries,
non- energy mining and plastics are from EarthTrack (2022; 2024) and adjusted for constant 2024 US$ prices. For
these categories, 2019 to 2021 constant values are assumed to be the 2022 estimate, where available, or 2023 value
otherwise.
There are significant data gaps, particularly at sectoral and sub-industry level, and for mining, manufacturing and
infrastructure sectors in emerging and developing economies. Moreover, the size of a subsidy may not reliably indicate
the scale of its harmful impact, as even small subsidies can have substantial environmental damage depending on
local ecological conditions (Biodiversity Finance Initiative [BIOFIN] 2024b). Causal links between subsidies and nature
degradation are further obscured by limited spatial biodiversity data and a lack of standardised tracking, underscoring
the urgent need for better data and methodologies (IMF 2024).
Improved data sources: Data on EHS used in SFN 2026 is improved. IISD fossil fuel subsidy tracker covers 192
countries compared to 41 countries in IEA data used in SFN 2023. For agriculture, the OECD method to estimate the
most distorting support is replicable and traceable to source data. Additional subsidy types are included: mining and
quarrying, plastics manufacturing and construction.
Changes due to methodological upgrade: Both SFN 2023 and the current edition extract estimates of EHS from
literature instead of applying scaling factors. Due to improved data and the inclusion of additional subsidy types,
estimates of EHS have increased.
Units, data granularity, notes: Units are in real billion 2024 US$ prices. Data for fossil fuel and agri-subsidies is
available at the country level. Other subsidy types are only available on the regional/global level, and partly available on
annually from 2014 to 2023.
72 | UNEP | State of Finance for Nature 2026
Table A2: Private nature-negative finance
Source dataset(s): Refinitiv/LSEG (2025), including private capital investments via loans, equity and bonds; ENCORE
pressure materiality ratings (2024).
Approach: The updated methodology aims to identify and quantify private finance flows that contribute to nature
degradation, i.e. nature-negative finance flows. Building on the SFN 2023 framework, this analysis leverages ENCORE?s
materiality assessments of direct nature-negative impacts and links economic activity classifications (presented in ISIC
classification) to private finance datasets using LSEG/Refinitiv. This mapping of ISIC to Refinitiv makes it possible to
quantify finance flows that exert direct pressure on ecosystem services.
Mapping economic activities to pressures (nature negative): The ENCORE framework provides the basis for assessing
how economic activities potentially impact ecosystem components, which provide ecosystem services. ENCORE assigns
pressure materiality ratings to pressures resulting from a wide range of economic activities. These pressures can result in
impacts on ecosystem components, which underpin ecosystem services. ENCORE uses a five-point scale for materiality
ratings: Very High (VH), High (H), Medium (M), Low (L) and Very Low (VL). Pressure materiality ratings are location-
agnostic and differ only by economic activities. Pressures in the ENCORE tool include a range of environmental impacts
such as land and water use, emissions to air, water and soil, resource extraction, pollution and disturbances like noise and
light.
In this report, an activity is classified as nature negative if it is assigned a high and/or very high materiality rating (H, VH)
for any of the 13 pressures, as identified in ENCORE. For example, industries with activities rated as ?high? for one type of
pressure (e.g. land use, soil and water pollution) are considered as nature negative following an attribution scheme.
Use of ENCORE update: SFN 2026 utilises the update of the ENCORE tool (October 2024), which introduces the ISIC
Revision 4 sectoral classification framework at the class/group level instead of TRBC production processes. A production
process is no longer allocated to multiple different industries, but rather each economic activity is analysed individually.
This allows more accurate identification and measurement of pressure links on natural capital and avoids overestimation
of nature-negative finance flows.
Improved methodology: This report uses an improved methodology based on nature-negative attribution matrix which
assigns nature-negative shares to economic activities based on their materiality profiles. This tiered system links the
number of pressure materiality ratings and their magnitude (VL vs. VH) to estimated nature-negative shares.. Activities
that exert more severe and direct pressure on ecosystem services are assigned with higher negative attribution shares.
Economic activities with at least 5 High (H) or one Very High (VH) pressure are assigned with a 90 per cent negative
attribution. Similarly, the matrix assigns activities with 2 or more High (H) pressures with 60 per cent and activities with
1 High (H) pressure with 30 per cent. This graduated scale avoids binary classifications and enables a proportional
assessment of harm. Activities marked with Very Low (VL), Low (L) or Medium (M) pressures receive a zero per cent
attribution, reflecting minimal contribution to nature degradation.
While thresholds are not empirically derived, they are anchored in ecological reasoning. Multiple high-pressure
dependencies are more likely to result in significant degradation of ecosystems if left unmitigated. The use of a 90 per
cent attribution for 5H or 1VH assumes strong systemic pressure on ecosystems from such activities, consistent with
conservation science that emphasises the compounding impact of multiple high stressors. Similarly, assigning 60 per
cent to 2H or more, and 30 per cent to 1H introduces a more refined scale. No weighting was applied to the 13 materiality
pressures so materiality pressures with the same rating were assumed to have the same direct impact on ecosystems.
Robustness and calibration: A comparison between derived shares for SFN 2026 and SFN 2023 reveals broadly
consistent patterns in the concentration of nature-negative activities across key sectors, particularly in resource-intensive
industries. To ensure consistency, the attribution shares were calibrated to produce estimates of nature-negative finance
flows that were aligned with SFN 2023. SFN 2023 estimated US$5 trillion in global private finance flows in 2022 were
associated with nature-negative activities. Using the same ENCORE materiality logic and sectoral classifications, this
methodology replicates that magnitude within a reasonable margin of variation.
Units, data granularity, notes: Units are expressed in real trillion US$ 2024 prices. The year of comparison is 2023, but
values for 2024 are reported in the text.
73 | UNEP | State of Finance for Nature 2026
Table A3: Nature-related pressures (impact drivers) and examples
Pressure Definition, including examples
Area of freshwater use
Freshwater area is used for the activity, including wetland, ponds, lakes, streams, rivers
or peatland necessary to provide ecosystem services such as water purification.
Area of land use Land area is used for the activity, including agriculture or forest plantation.
Area of seabed use Seabed area is used for the activity, including aquaculture or seabed mining.
Disturbances (e.g. noise,
light)
Activity produces noise or light pollution that has potential to harm organisms.
Emissions of GHG
Activity emits GHG, incl. CO2, methane (CH4), nitrous oxide (N2O), hydrofluorocarbons
(HFCs) and perfluorocarbons (PFCs).
Emissions of non-GHG air
pollutants
Activity emits non-GHG air pollutants, including mono-nitrogen oxides (NOx) and Sulphur
dioxide (SO2).
Emissions of nutrient
pollutants to water and soil
Activity emits nutrient pollutants that can lead to eutrophication, including nitrates and
phosphates discharged to receiving water body.
Emissions of toxic pollutants
to water and soil
Activity emits toxic pollutants that can directly harm organisms and the environment,
including toxic substances such as heavy metals and chemicals.
Generation and release of
solid waste
Activity generates and releases solid waste.
Introduction of invasive
species
Activity directly introduces invasive species into areas of operation.
Other abiotic resource
extraction
Activity extracts abiotic resources. Examples include volume of mineral extracted.
Other biotic resource
extraction (e.g. fish, timber)
Activity extracts biotic resources including fish and timber.
Volume of water use Water is used for the activity. including groundwater or surface water consumed.
Note: Authors? illustration based on ENCORE (2025)
Comparing SFN 2023 and SFN 2026 approaches:
A comparison between the sectoral breakdown of
SFN 2023 and SFN 2026 indicates a consistent
distribution of nature-negative private finance. While
the absolute figures differ due to updated data
coverage, methodology and inflation-adjusted values,
the top sectors contributing to nature degradation
remain broadly unchanged. In SFN 2023, industrials
led the ranking with US$1.4 trillion, followed by utilities
(US$589 billion). Notably, utilities in SFN 2026 jumped
to the top position due to increased investment in
conventional infrastructure and electricity generation.
Coal- or gas-fired power plants exert very high
pressures on land, water and air quality, making the
sector a major contributor to ecosystem degradation
under ENCORE?s materiality criteria.
These results confirm that, despite minor shifts
in rankings, the underlying pattern of ecological
pressure from capital allocation remains persistent.
The cross-year alignment between SFN 2023 and
SFN 2026 enhances the credibility of the new
methodology and suggests that targeted financial
and policy interventions in the top four sectors are
likely to yield the most significant biodiversity and
nature-related benefits.
74 | UNEP | State of Finance for Nature 2026
Table A4: Nature-negative finance attribution matrix
Pressure
Materiality
ratings
Attributed
nature-negative
share
# of Economic
activities (rated
by ENCORE)
using ISIC
Example Example
Pressure
# of business
activities (used
in Refinitiv) in
TRBC
5H or more; 1VH
or more
90% 69
Extraction of
crude petroleum
VH: Area of
seabed use;
Toxic soil water
pollution ?
181
2H or more 60% 12
Manufacture of
tobacco products
H: Nutrient Soil
Water Pollution ?
46
1 H 30% 32
Manufacture of
plastics
H: Non GHG Air
Pollution
92
VL, L, M 0% 158
Spinning, weaving
and finishing of
textiles
- 575
Total - 271 - - 895
Note: 13 pressures are identified. There is no weighting applied, each materiality pressure is treated equally. There is no academic literature
(to our knowledge) that goes a similar route in identifying finance flows to nature negative using ENCORE.
The portfolio of private capital investment analysed
covers US$20 trillion per year between 2020 and
2024. Finance flows in Refinitiv/LSEG are classified
using the ?The Refinitiv Business Classification?
(TRBC) framework. In total, the dataset covers 895
business activities, which were mapped individually
to the most approximate ISIC groups (economic
activity). ENCORE pressure materiality ratings are
available for 271 economic activities (ISIC groups or
classes) that have been mapped against 895 TRBC
business activities. After each transaction (out of
the US$20 trillion private capital investments) is
assigned a negative share, the model aggregates
the attributed values at the sector level. The result
is a composite view of which sectors are driving
the largest share of nature-negative finance based
on the distribution of economic activities and their
ecological pressure intensity.
Robustness and sensitivity testing: To assess
the sensitivity of results to the assumptions in
the attribution matrix, a robustness check was
conducted using Monte Carlo simulation. This
involved randomly varying nature-negative share
attributed to each activity within a pre-defined
range and recalculating nature-negative shares
across many iterations. The resulting distribution
allows to observe the distribution of nature-negative
flows around the attribution shares and test
whether observed patterns hold under alternative
attribution scenarios. Results indicate that the
mean of simulated values is very close to the
estimated values, with the distribution of simulated
values corresponding well to the pre-defined range
of estimated values (Figure A1). This suggests
that estimated values are not highly sensitive to
moderate changes in the attribution share, and the
weights are reasonably well-calibrated.
75 | UNEP | State of Finance for Nature 2026
Figure A1: Boxplot of Monte Carlo simulated private nature-negative flows
Note: Authors? calculations. The lower and upper whiskers of boxes represent the minimum and maximum values of nature-negative finance
in each simulation. The middle line represents the mean value of nature-negative finance for a given year.
Public finance to nature-based solutions
Table A5: Public finance: COFOG to nature-based solutions
Source dataset(s): OECD (Annual government expenditure by budget function), IMF (Government Finance Statistics),
FAOSTAT (Government Expenditure), US Government Spending Explorer, National Bureau of Statistics of China.
Approach: Expenditure on five government budget functions provides the basis for domestic public NbS finance
estimates: sustainable agriculture, forestry, fishing and hunting; environmental policy and other; pollution abatement;
biodiversity and landscape protection; and wastewater management. Scaling factors from SFN 2023 are applied to
estimate the proportion of public domestic expenditure by budget function that can be considered NbS finance.
Added value in SFN 2026: SFN 2026 provides estimates for 2023 and updated estimates for previous years based on
retroactive corrections and updates in data sources). New values in the dataset include annual NbS estimates for Brazil
(IMF Government Finance Statistics) and Indonesia (FAOSTAT Government Expenditure).
Units and granularity: Estimates are in real billion US$ 2024 prices. The budget function ?environmental protection not
elsewhere classified (n.e.c.)? is renamed to ?Environmental policy and other? for comparability across SFN editions. US
and Chinese budget categories were mapped to COFOG (OECD) definitions.
4500
5000
5500
6000
6500
7000
2020 2021 2022 2023 2024
Ne
ga
tiv
e
flo
ws
(U
S$
2
02
4
bn
)
76 | UNEP | State of Finance for Nature 2026
The quantification of public domestic NbS
finance flows involved:
Extraction of annual values on public domestic expenditure
by country and budget function from national accounts of
the United States and China, OECD COFOG and International
Monetary Fund?s Government Finance Statistics database.
A list of NbS-relevant budget functions from SFN 2023 was
used to identify expenditure aligned with the NbS definition.
Expenditures using national classification frameworks from
countries not included in COFOG were mapped to COFOG to
harmonise reported values across countries.
Annual expenditure across NbS-relevant budget functions
was multiplied by scaling factors from SFN 2023 to estimate
NbS finance in public domestic expenditure. COFOG budget
functions classified as NbS-relevant appear in Table A6.
Table A6: Public budget categories for government expenditure in nature-based solutions
SectorsSectors Descriptions, including examplesDescriptions, including examples Relevance for NbSRelevance for NbS
Sustainable Sustainable
agriculture, fishing agriculture, fishing
and forestry and forestry
Forestry and fishing activities or Forestry and fishing activities or
equipment, as well as the development, equipment, as well as the development,
operation and maintenance of irrigation operation and maintenance of irrigation
systems for agricultural purposes. This systems for agricultural purposes. This
category also encompasses measures category also encompasses measures
for the conservation, reclamation or for the conservation, reclamation or
expansion of arable land operation or expansion of arable land operation or
support of reforestation work, pest and support of reforestation work, pest and
disease control, forest firefighting and disease control, forest firefighting and
fire prevention services.fire prevention services.
Supports ecosystem-based management, climate adaptation, food Supports ecosystem-based management, climate adaptation, food
security and biodiversity. Addresses societal goals: job creation security and biodiversity. Addresses societal goals: job creation
and livelihoods in rural areas; fosters gender equality and women?s and livelihoods in rural areas; fosters gender equality and women?s
empowerment through access to land, finance and training; empowerment through access to land, finance and training;
Integrates sustainable practices, knowledge and rights of IPs and Integrates sustainable practices, knowledge and rights of IPs and
LCs.LCs.
Biodiversity Biodiversity
and landscape and landscape
protectionprotection
Protection of fauna and flora species Protection of fauna and flora species
(including the reintroduction of (including the reintroduction of
extinct species and the protection of extinct species and the protection of
threatened species ), protection of threatened species ), protection of
habitats (including the management habitats (including the management
of natural parks and reserves) and of natural parks and reserves) and
protection of landscapes for aesthetic protection of landscapes for aesthetic
values (including the reshaping of values (including the reshaping of
damaged landscapes for the purpose of damaged landscapes for the purpose of
strengthening the aesthetic value and strengthening the aesthetic value and
the rehabilitation of abandoned mines the rehabilitation of abandoned mines
and quarry sites).and quarry sites).
Directly contributes to ecosystem conservation, restoration Directly contributes to ecosystem conservation, restoration
and biodiversity gains. Contributes to societal goals including and biodiversity gains. Contributes to societal goals including
health, water security, inclusion of IPs and LCs, gender equality health, water security, inclusion of IPs and LCs, gender equality
e.g. women benefiting from inclusive livelihood programs tied to e.g. women benefiting from inclusive livelihood programs tied to
biodiversity. biodiversity.
Environmental Environmental
policy and otherpolicy and other
Formulation, administration, Formulation, administration,
coordination and monitoring of policies, coordination and monitoring of policies,
plans, programmes and budgets for plans, programmes and budgets for
environmental protection. environmental protection.
Enabling function for NbS by providing systemic infrastructure Enabling function for NbS by providing systemic infrastructure
needed to mainstream and scale up NbS implementation. needed to mainstream and scale up NbS implementation.
Wastewater Wastewater
managementmanagement
Activities such as the administration, Activities such as the administration,
supervision, inspection, operation or supervision, inspection, operation or
maintenance of sewage systems and maintenance of sewage systems and
wastewater treatment.wastewater treatment.
Relevant for green infrastructure and natural water filtration Relevant for green infrastructure and natural water filtration
systems. Addresses directly the societal goal of health and well-systems. Addresses directly the societal goal of health and well-
being as well as access to safe water and sanitation services; being as well as access to safe water and sanitation services;
reduces burden on women and girls as well as improves safety.reduces burden on women and girls as well as improves safety.
Pollution abatementPollution abatement Measures to control or prevent the Measures to control or prevent the
emissions of greenhouse gases emissions of greenhouse gases
and pollutants that adversely affect and pollutants that adversely affect
the quality of the air; construction, the quality of the air; construction,
maintenance and operation of maintenance and operation of
installations for the decontamination installations for the decontamination
of polluted soils and for the storage of of polluted soils and for the storage of
pollutant products.pollutant products.
Supports environmental health and resilience. Contributes to Supports environmental health and resilience. Contributes to
health and well-being reducing exposure to harmful pollutants. health and well-being reducing exposure to harmful pollutants.
Addresses gender equality as women and marginalised Addresses gender equality as women and marginalised
communities are disproportionately affected by pollution.communities are disproportionately affected by pollution.
Note: Authors? illustration. Based on SFN (2023) and IMF GFS (2025).
IMF GFS 2025
77 | UNEP | State of Finance for Nature 2026
Table A7 provides scaling factors applied to extract
NbS flows, building on the literature and expert
consultation (SFN 2023).
Table A7: Scaling factors by COFOG budget function
NbS- relevant budget
function (COFOG)
Scaling
factor
Source
Sustainable agriculture,
forestry, fishing and
hunting
0.1 TNC 2020
Pollution abatement 0.2
Environmental policy and
other
0.2
Biodiversity and landscape
protection
0.9 UNDP 2015
Wastewater management 0.1 UN WATER 2015
Note: The selection of COFOG budget functions for NbS builds on
SFN 2023 and reflects functional areas of government spending
that directly or indirectly support ecosystem protection, restoration
or sustainable land and water management. While not all codes
represent sectors, they capture public policy functions relevant for
implementing NbS across domains such as agriculture, water and
environmental protection. Scaling factors in SFN 2023 were not
directly drawn from the indicated sources but informed further by
expert opinions.
Mapping of US national accounts to COFOG
budget functions Mapping of US budget categories
to COFOG budget functions did not require weighting
coefficients due to similar categories. For example,
public domestic expenditure on pollution control
and abatement are allocated to the COFOG budget
function ?pollution abatement?.
Table A8: Mapping of US public domestic expenditure
categories to COFOG
United States expenditure
category
COFOG budget function
Agriculture
Sustainable agriculture,
forestry, fishing and hunting
Pollution control and
abatement
Pollution abatement
Recreation resources
Environmental policy and
other
Conservation and land
management
Other natural resources
Biodiversity and landscape
protection
Water resources Wastewater management
Note: Authors? illustration. Based on SFN 2023.
Mapping of China?s national accounts to COFOG
budget functions. The allocation of Chinese
expenditure data to COFOG required the use of
weighting coefficients due to different definitions
and structure of Chinese and COFOG budget
categories (SFN 2023). For example, only 60 per
cent of public domestic expenses under natural
resources, ocean and weather can be categorised
as ?biodiversity and landscape protection? under
COFOG.
Table A9: Mapping of Chinese public domestic expenditure
categories to COFOG
China?s expenditure
category
Weights COFOG budget
function
Agriculture,
forestry and water
conservancy
0.33
Sustainable agriculture,
forestry, fishing and
hunting
Energy conservation
and environmental
protection
0.17 Pollution abatement
Energy conservation
and environmental
protection
0.33
Environmental policy
and other
Natural resources,
ocean and weather
0.60
Biodiversity and
landscape protection
Agriculture,
forestry and water
conservancy
0.17
Wastewater
management
Note: Authors? illustration. Based on SFN 2023.
78 | UNEP | State of Finance for Nature 2026
Table A10: Public finance: ODF to Nature-based Solutions
Source dataset(s): OECD Credit Reporting System (CRS) 2025
Approach: To quantify public international NbS finance flows, a structured filtering methodology was applied to OECD CRS
data. This approach combines an assessment of sectoral eligibility using Rio marker classification and keyword matching
to categorise finance relevant to NbS. This methodology builds on the literature and balances inclusiveness with rigour.
Applying an identification strategy (Figure A2) lower, mid and upper bounds are estimated. Filters applied included: Official
donors (donor), official development assistance and other official flows (measure), all channels (channel), general budget
support (modality), disbursements (flow type), current prices (price base). NbS estimates were converted to US$ 2024
prices.
Added value in SFN 2026: The application of strict filtering criteria and the use of lower and upper bounds for NbS shares
provides greater rigour than the scaling factors used in SFN 2023. Lower and upper bounds are more precise and align
with OECD?s approach. More CRS sub-sectors (32 instead of 16) are included.
Changes due to methodological upgrade: The inclusion of 36 CRS sectors instead of 16 CRS sectors results in an
additional 20 per cent of finance flows identified as NbS at the mid-point.
Units and data granularity: Units are in real billion US$ 2024 prices. Data is available by donor and recipient from 2015 to
2023.
Building on the OECD-DAC system, the approach tracks to what extent ODF targets NbS. The method first
estimates lower, mid and upper bounds of NbS finance. It then disaggregates NbS finance into flows that
target biodiversity, climate and/or DLDD as well as the extent of overlap.
Figure A2: Identifying NbS in Official Development Finance
Note: Authors? illustration. The number of CRS sub-sectors is expanded from 16 to 39 based on the following criteria: Significant absolute
value of expenditure in subsector that is Rio marked; Significant proportion of expenditure of subsector that is Rio marked; Expert judgement
indicating high likelihood that a sub-sector contains NbS (based on sub-sector definitions, OECD guidance and relevant reports, e.g. WRI
Adaptation NbS Report (WRI 2021), Atteridge et al. (2022); Retaining all sub-sectors included in SFN 2023: General environmental protection
(CRS Category), urban development and management, urban land policy and management, rural development, rural land policy and
management and disaster risk reduction.
79 | UNEP | State of Finance for Nature 2026
Table A11: ODF sub-sectors targeting NbS
CRS sector / category CRS sub-sectors
Water Supply and
Sanitation
Water sector policy and administrative management; Water resources conservation.
Agriculture Agricultural development; Agricultural extension; Agricultural land resources; Agricultural policy
and administrative management; Agricultural research; Agricultural water resources; Agricultural
services; Food crop production; Agricultural education/training; Agricultural co-operatives.
Forestry Forest industries; Forestry development; Forestry education/training; Forestry policy and
administrative management; Forestry research; Forestry services.
Fishing Fishery development; Fishery education/training; Fishery research; Fishing policy and
administrative management.
Industry Fuelwood/charcoal; Agro-industries; Industrial crops/export crops; Food security policy and
administrative management.
General environment
protection
Environmental education/training; Environmental policy and administrative management;
Environmental research; Biodiversity; Biosphere protection; Site preservation.
Other/multi-sector River basins development; Urban development and management; Disaster Risk Reduction; Rural
development.
Note: Sector and sub-sector names extracted from OECD CRS (2025b).
Example: A US$10 million forestry development project is classified as NbS due to its relevant subsector
and presence of a significant-like biodiversity keyword, despite having no biodiversity Rio marker or SDG
tags. While excluded at the lower bound because there are no additional stringent criteria, 40 per cent (US$4
million) is included at the mid-point and 100 per cent (US$10 million) at the upper bound due to the climate
mitigation Rio marker (significant) and the biodiversity keyword. Further real world examples from the CRS
database of projects that qualify for lower bound estimates are shown in the table below.
Table A12: Examples of projects consistent with lower bound estimates
Example 1: Actions by and for women to adapt to climate change: The women in action project aims to increase climate
change adaptation among vulnerable girls and women in the agricultural and forestry sectors in South- and North-Kivu,
with benefits in terms of the conservation and restoration of forest biodiversity. The project?s beneficiaries, who will receive
training on positive masculinity, are estimated to be over 5,000 men. In addition, the living conditions and food security
of over 30,000 household members, young women and women will improve. Five local organizations will receive support
so they can mentor young women and men in terms of implementing NbS and adapting to climate change using gender-
sensitive methods, even outside the project.
Biodiversity Adaptation Mitigation Donor Sector Recipient US$
Significant Principal - Canada Fuelwood/charcoal
Democratic Republic
of the Congo 95,405 (in 2023)
Example 2: Increased climate resilience and well-being of rural communities through improved food security and nutrition,
economic empowerment, responsive local government policies and more inclusive and stronger grass-roots organizations.
This will be achieved by diversified and increased agriculture production, increased seed security, better livestock
management, sustainable management of resources, capacity building of grassroots organizations and policy work at local,
national and international level.
Biodiversity Adaptation Mitigation Donor Sector Recipient US$
Significant Principal - Norway
Agricultural
development
Malawi 220,494 (in 2023)
Note: Authors? table. Descriptions are shortened. Extracted from OECD CRS (2025b).
80 | UNEP | State of Finance for Nature 2026
ODF targeting NbS which delivers on biodiversity,
climate and DLDD
ODF targeting NbS is identified by filtering projects in relevant
sectors (e.g. agriculture, forestry and fishing) that are tagged
with at least a significant or principal biodiversity Rio marker
or with SDGs 14 or 15. Disbursements for these projects are
aggregated to total NbS finance in ODF.
A number of projects contribute to multiple targets across Rio
Conventions. These transactions are captured in the overlap-
ping sections of Figure 13, which represent NbS actions and
investments that simultaneously deliver biodiversity, climate
and DLDD benefits. Each transaction identified as NbS is
assessed for Rio markers, thematic keywords and SDG tags
linked to the Rio Conventions. This method avoids finan-
cial double counting by transparent accounting. It explicitly
treats overlaps as reflecting multiple benefits from the same
investment. Every NbS-aligned transaction is first attributed
to biodiversity finance (as a minimum condition). Additional
attributions are made to climate and/or DLDD to show the
extent to which NbS finance aligns with individual or multiple
Rio Convention goals.
Table A13: Public finance to NbS: Debt-for-nature swaps
Source dataset(s): Bloomberg Terminal 2025
Approach: Aggregation and analysis of DNS transactions
from 2021?2024, including restructured debt, new debt
issuance and conservation finance unlocked. Data compiled
from official deal participants and secondary sources.
The methodology involves compiling data on restructured
sovereign debt(face value of debt converted), new debt
issuance(used to finance the swap) and conservation finance
unlocked(funds redirected to environmental projects).
Added value in SFN 2026: This is the first time that DNS is
included in SFN. The dataset highlights the scalability of
DNS for climate and biodiversity goals. It also demonstrates
how DNS can unlock substantial conservation finance
in debt-distressed countries and provides a foundation
for integrating DNS into broader sustainable finance
taxonomies and frameworks. The dataset supports the
development of blended finance models by illustrating how
public and private capital can be mobilised through DNS.
Changes due to methodological upgrade: This is the first
time DNS are included in SFN.
Changes due to new data points: All data points are new.
Units and data granularity: Estimates are in real million
2024 US$ prices. Data includes eight DNS deals across
seven countries: Belize, Ecuador, Gabon, El Salvador, the
Bahamas, and Barbados (2022 and 2024). Includes annual
breakdowns of restructured debt, new debt issuance and
conservation funds unlocked.
Private finance to nature-based
solutions
Estimation of private NbS finance flows is challenging
due to limited data availability on finance flows for
categories and instruments, inconsistent definitions
and scope and different reporting practices.
Table A14: Private finance to NbS: Sustainable bonds for
biodiversity
Source dataset(s): BloombergNEF (2025)
Approach:
Use of Bloomberg terminal, selecting corporate bonds and
loans by Use of Proceeds: Sustainable Proceeds.
Filter ESG project category ?biodiversity? to reproduce data
used in Biodiversity Finance factbook. Estimates use all
listed use of proceeds and divide the total amount issued
equally by number of use of proceeds. This represents
a more realistic look at financing spent. However, use of
proceeds is generally not divided equally, and biodiversity
often receives the smallest share. If a US$100 million
bond has ten listed UoPs including biodiversity, we have
attributed US$10 million to biodiversity. In the absence of
actual allocation data, Bloomberg considers this the best
approach.
Added value in SFN 2026: Adding private capital
investments from a consistent source compared to a
selection of asset classes and mechanisms.
Changes due to methodological upgrade: This is the first
time the asset class is included.
Changes due to new data points: This is the first time the
asset class is included.
Units and data granularity: Estimates are in real million
US$ 2024 prices. Data from 2012 to 2025 for corporate
bonds and loans. Note: Supranational are government
established institutions such as EU and World Bank and
are counted as public along with government-related
bonds.
Table A15: Private finance to NbS: Private philanthropy
Source dataset(s): OECD Credit Reporting System (CRS)
2025
Approach: Use of lower and upper bounds as in the OECD
CRS dataset (ODA) to estimate NbS finance. The key
difference with respect to the estimation method of NbS
finance in official development finance is the selection of
donors. This section includes only private philanthropies.
For more information about the calculation of Rio marker
shares and their application refer to annex table 13.
81 | UNEP | State of Finance for Nature 2026
Added value in SFN 2026: The application of strict
filtering criteria and estimation of lower and upper bounds
for NbS finance, as well as use of a dedicated dataset for
philanthropic finance for development is an improvement.
Units, data granularity, filters: Estimates are in real
million 2024 US$ prices. Data is available from 2015?
2022. Donors include private philanthropic institutions.
Measure: Total (private grants and ?non-grants?). Flow
type: Disbursements.
Table A16: Private finance to NbS: Private finance
mobilised for official development finance
Source dataset(s): OECD Mobilised private finance for
development (2025)
Approach: Use of mid-point estimates of NbS shares
calculated in the CRS dataset with the Rio markers were
extrapolated to the OECD database for mobilised private
finance for development. For more information about the
calculation of Rio marker shares and their application
refer to annex table 13.
Added value in SFN 2026: Use of mid-point estimates
based on Rio marker shares extracted from OECD CRS.
Changes due to methodological upgrade: In SFN
2023, only general environment protection was used
for the analysis. The previous method used scaling
factors on finance flows to obtain finance for NbS. This
analysis considers all NbS-relevant sectors. Hence, the
identification of NbS-relevant policy objectives, use of
strict filtering and estimation of lower and upper bounds
for NbS represents an improvement.
Changes due to new data points (additional year): The
updated methodology provides estimates for 2023 and
2022, which extends the time frame covered.
Units and data granularity: Units are in real million 2024
US$ prices from 2015?2023.
Filters: Donors: Official donors (DAC and non-DAC
countries), multilateral organizations. Leveraging
mechanism: aggregate total. Flow type: Amounts
mobilised, amounts mobilised for climate.
82 | UNEP | State of Finance for Nature 2026
Table A17: Private finance to NbS: Voluntary carbon markets
Source dataset(s): Ecosystem Marketplace - State of the Voluntary Carbon Market (2025)
Approach: Transactions in voluntary carbon markets are classified by project category (forestry and land use, waste disposal,
transport, agriculture, energy efficiency/fuel switching, renewable energy, chemical processes/industrial manufacturing,
household/community devices) by Ecosystem Marketplace. Only Agriculture and Forestry and Land use projects are included
in SFN.
Added value in SFN 2026: New data points on the global value of transactions in voluntary carbon markets by project
category for 2022 and 2023.
Units and data granularity: Estimates are in real million US$ 2024 prices.
Table A18: Private finance to NbS: Compliance carbon markets
Source dataset(s): Quarterly Carbon Market Reports - Clean Energy Regulator (Australia), New Zealand Environmental
Protection Authority (ETS unit movement), Ministerio del Ambiente y Desarrollo Sostenible (Colombia), California Air
Resources Board (Cap-and-Trade Program Data Dashboard)
Approach: Based on the national and subnational market overview from Maguire et al. (2021), we focus on Australia,
California, Colombia and New Zealand as these have sufficient publicly available data and represent a significant share of
the market. Values are calculated by multiplying the volume by the unit price adjusted to 2024 prices. Price data is from
World Bank?s Carbon Pricing Dashboard (n.d.), except for Australia?s prices from Clean Energy Regulator (CER) for 2023-24,
while 2022 price is from CER market price charts. This methodology is consistently applied across all years.
New Zealand: NZUs may be issued based on entitlements for forestry and industrial removals. For the 2023 cancellation
data, although both ETS surrender and voluntary cancellations reflect actual demand, the latter are negligible. Therefore,
we focus on net ETS surrender, defined as surrenders minus reimbursements, sourced from the Environmental Protection
Authority (2025). Only forestry NZUs are considered.
California Retired volumes issued from California Air Resources Board (n.d.) were extracted, filtering for US forest projects
(California Air Resources Board 2011), including reforestation, improved forest management and avoided conversion.
Colombia A caveat is that some of the credits used to comply with Colombia?s carbon tax exemption mechanism may
also be issued and traded on the voluntary carbon market. This overlap makes it difficult to distinguish between credits
retired for tax compliance and those retired for voluntary climate commitments. As a result, some credits may be double-
counted, leading to a probable overestimation of the NbS-related finance associated with this mechanism. According to
data from the Ministerio del Ambiente y Desarrollo Sostenible (MADS 2024), approximately 77.2 per cent of the credits
used for tax exemption originate from forestry, AFOLU and REDD+ projects (considered as contributing to NbS), including
afforestation, reforestation, and silvopastoral systems. To estimate the NbS-related credit volume for 2023, we apply this
share to the total number of cancellations reported by MADS. This volume is then multiplied by Colombia?s carbon tax rate
(US$5 per ton) to obtain a valuation proxy in the absence of detailed price data. This figure should be interpreted as a rough
upper bound, since the real price paid for such credits is likely lower, otherwise there would be little economic incentive
for companies to choose exemption over paying the tax. Moreover, if the exemption mechanism involves significant
transaction costs, the effective credit price would have to be even lower to remain financially attractive.
Australia The analysis assumes that NbS-related ACCUs are captured within the broader ?vegetation?, ?savanna fire
management? and ?agriculture? categories, which include activities such as reforestation, revegetation, improved fire
management, agroforestry. This assumption is made due to the lack of more granular data that would permit identification
of NbS activities. The price for ACCUs in 2023 is from the Clean Energy Regulator December 2024 report (2025).
Units and data granularity: Units are in real million 2024 prices.
83 | UNEP | State of Finance for Nature 2026
Table A19: Private finance to NbS: Biodiversity offsetsTable A19: Private finance to NbS: Biodiversity offsets
Source data : Source data : Bennett Bennett et al.et al. (2017b). Government of India CAMPA Annual Reports (GoI 2019; GoI 2020; GoI 2021; GoI 2022; GoI (2017b). Government of India CAMPA Annual Reports (GoI 2019; GoI 2020; GoI 2021; GoI 2022; GoI
2023). BEA data for US Construction sector growth rate (BEA 2025).2023). BEA data for US Construction sector growth rate (BEA 2025).
ApproachApproach: 2016 values for global private finance for biodiversity offsets was extracted from Bennett : 2016 values for global private finance for biodiversity offsets was extracted from Bennett et al.et al. (2017b) and used (2017b) and used
for projections. for projections.
1. Unites States 2016 estimate is assumed to increase at the same rate as gross value added of the construction sector, 1. Unites States 2016 estimate is assumed to increase at the same rate as gross value added of the construction sector,
following Madsen (2024) identifying that construction is the biggest demand driver; following Madsen (2024) identifying that construction is the biggest demand driver;
2. India: CAMPA estimates from annual reports are available for only 2018 to 2022. 2023 and 2024 estimates are assumed to 2. India: CAMPA estimates from annual reports are available for only 2018 to 2022. 2023 and 2024 estimates are assumed to
grow at the rate of inflation based on 2022 figures. grow at the rate of inflation based on 2022 figures.
3. Other regions: Adjusting Bennet estimates for inflation only due to lack of data. 3. Other regions: Adjusting Bennet estimates for inflation only due to lack of data.
Added value in SFN 2026: Added value in SFN 2026: New data points on finance for biodiversity offsets for 2023 and 2024. Estimates are the result of New data points on finance for biodiversity offsets for 2023 and 2024. Estimates are the result of
replicating the method in SFN 2023, revised to account for more robust projection assumptions. replicating the method in SFN 2023, revised to account for more robust projection assumptions.
Changes due to methodological upgrade: Changes due to methodological upgrade: Instead of the low and high growth rate used in SFN 2023, growth assumptions vary Instead of the low and high growth rate used in SFN 2023, growth assumptions vary
by region. In the US, it is the construction sector?s growth rate. Indian estimates are reported values from the programme?s by region. In the US, it is the construction sector?s growth rate. Indian estimates are reported values from the programme?s
annual reports. Other regions increase at the rate of inflation. annual reports. Other regions increase at the rate of inflation.
Changes due to new data points (additional year): Changes due to new data points (additional year): Biodiversity offsets amounted to approximately US$7.15 billion in 2023, Biodiversity offsets amounted to approximately US$7.15 billion in 2023,
which represents an increase of 5 per cent since 2022 (US$6.81 billion).which represents an increase of 5 per cent since 2022 (US$6.81 billion).
Units and data granularity: Units and data granularity: Units are in real billion 2024 US$ prices. Units are in real billion 2024 US$ prices.
The mitigation hierarchy, recognised as the best-practice framework for minimising the impacts of development
on biodiversity, prioritises avoiding harm to ecosystems wherever possible, followed by minimising unavoidable
damage and finally compensating for residual impacts through biodiversity offsets. This approach supports
principles like No Net Loss (NNL) or Net Gain (NG) in biodiversity, ideally ensuring development projects maintain
or enhance biodiversity and resilience.
Figure A3: Value of biodiversity offsets by region in 2023
Note: Authors? calculations. Estimates are in real 2024 US$ prices (millions).
84 | UNEP | State of Finance for Nature 2026
Table A20: Private finance to NbS: Payments for ecosystem services (SFN 2023 methodology)
Source dataset(s): OECD (2021). Tracking Economic Instruments and Finance for Biodiversity; Salzman et al. (2018). The
global status and trends of Payments for Ecosystem Services.
Approach: To estimate the share of private PES, the share of PES that are user-financed and compliance-financed was
calculated based on data from Salzman et al. (2018). Estimates from OECD (2021) were downscaled by 22 per cent and 44
per cent to derive lower and upper bound estimates.
Added value in SFN 2026: New data points.
Changes due to methodological upgrade: No methodological update was conducted.
Changes due to new data points (additional year): The total value of PES for 2023 was US$4.19 billion, while in 2024 it was
nearly US$4.29 billion due to updating the price index.
Units and data granularity: Units are in real billion 2024 prices. Raw data is available for average annual investment
2017?2019 from OECD (2021) and extrapolated using IMF-WEO price index.
Table A21: Private finance to NbS: Certified commodity supply chains
Source dataset(s): : 4C (2023), Breukink et al. (2015), FAO (2020; 2022; 2024a; 2024b), FSC (2020; 2021; 2022; 2023), GCP
(2021), IDH (2020; 2021a; 2021b), PEFC (2019; 2020; 2021; 2022; 2023a; 2023b), Proterra (2022; 2023), Rainforest Alliance
(2021; 2022a; 2022b; 2024a; 2024b), RSPO (2023), Statista (2025), World Bank (2025), WWF (2022).
Approach: Certified commodity finance flows to forestry are calculated based on FSC certification costs incurred by
growers, estimated at US$4.16 per hectare in 2015 (Breukink et al. 2015). This figure is adjusted for inflation and multiplied
by the area under certified forestry practices as reported by PEFC and FSC. A similar methodology was applied by SFN
(2023) and Deutz et al. (2020), though their approach was based on production volumes. The method for RSPO-certified
palm oil is comparable, with certification costs for farmers estimated at US$12.5 per ton of certified palm oil (WWF 2020).
This figure is multiplied by the total certified production volume as reported by RSPO.
The US$2.27 bn sustainable investment flows to FSC and PEFC certified wood market represent around 1.22 per cent of
the total market size of FSC and PEFC certified wood product which was US$186.24 bn in 2023. Using the 2023 palm oil
price from World Bank (2025) and factoring in certification cost adjustments, total RSPO-certified production value for 2023
was US$17.4 billion. Finance flows of US$0.27 billion represent 1.5 per cent of total sustainable production value. The
average of these two investment shares, 1.4 per cent, is applied across coffee, cocoa and soy, where production volumes
are multiplied by average market prices (World Bank 2025). Certified seafood estimate is based on the methodology in SFN
(2023) and Deutz et al. (2020) with updated data on the value of fisheries and aquaculture from FAO (2024).
These estimates use the market value of certified goods as a proxy for the actual contribution of certified commodity
markets to nature-positive outcomes.
Added value in SFN 2026: Enhanced updateability of estimates by using publicly available data, e.g. hectares under
certification regularly reported by FSC and PEFC and using publicly available commodity price data which is updated
annually. RSPO methodology has been revised and is based on more substantive sources. Potential double-counting caused
by multiple certifications was minimised.
Changes due to methodological upgrade: Forest products finance flows are lower compared to SFN 2023 due to a change
in approach from volume to area, as well as accounting for double certification. Despite the change in approach and using
different datasets, the estimates for other certified commodities remain broadly similar.
Changes due to new data points: Certified organic agricultural goods have been excluded here due to lack of reliable data.
In SFN 2023, finance flows to this category were estimated at US$2.9 billion.
Units and data granularity: Units are in real billion US$ 2024 prices. Estimates were calculated by certifying agency and
aggregated to the commodity level after accounting for multiple certifications.
85 | UNEP | State of Finance for Nature 2026
Investment needs for NbS
The analysis on future investment needs relies on SFN 2023
modelling. Projections for additional investment needs were
based on the Model of Agricultural Production and its Impact on
the Environment (MAgPIE), a global land use allocation model
designed to explore land competition dynamics in the context
of carbon policy, complemented with off-model analysis.
Estimates from SFN 2023 modelling were revised to US$ 2024
prices. It is assumed that current finance flows are committed
to current projects- investment needs represent additional
finance needed.
The Rio-aligned scenario assumes that Rio Conventions targets
limiting climate change to 1.5 °C, 30by30 and land degradation
neutrality by 2030. Further details on modelling assumptions
under the Rio-aligned and baseline scenarios, modelling steps,
optimisation process and off-model analysis are described in
the Technical Annex to SFN 2023. The analysis includes 16 NbS
selected based on their mitigation potential, data availability
and data quality (Table A22 provides additional detail).
Table A22: NbS types and definitions
NbS category Description
Reforestation
Conversion from non-forest (less than 25 per cent tree coverage) to forest (more than
25 per cent tree coverage) in previously forested areas
Agroforestry (silvopasture) A land use system in which trees are combined with livestock.
Agroforestry (silvoarable) A land use system in which trees are grown with agriculture on the same land.
Restoration of mangroves Restoration of damaged and degraded global mangrove forests.
Restoration of peatlands Rewetting of damaged and degraded global peatlands.
Restoration of seagrass Restoration of damaged and degraded global coastal seagrass meadows.
Restoration of saltmarshes Restoration of damaged and degraded global coastal saltmarshes.
Grazing ? optimal intensity
Grazing optimisation is the offtake rate that leads to maximum forage production
(Henderson et al. 2015). This prescribes a decrease in stocking rates in areas that are
overgrazed and an increase in stocking rates in areas that are under-grazed, with the
net result of increased forage offtake and livestock production.
Cover crops
Cultivation of cover crops in fallow periods between main crops. Prevents losses of
arable land while regenerating degraded land.
Avoided deforestation
Avoidance of conversion, destruction or degradation of forests, where forests are
defined as areas with more than 25 per cent of tree coverage.
Avoided grassland conversion
Avoided conversion of temperate grasslands, tropical savannas and shrublands; the
focus is placed on the conversion of grasslands to croplands.
Avoided mangrove conversion Avoided conversion, destruction or degradation of global mangrove forests.
Avoided seagrass conversion Avoided conversion, destruction or degradation of global seagrass.
Avoided peatland conversion Avoided conversion, destruction or degradation of global peatlands.
Protected area
Area closures that can help reduce conversion and degradation of marine and
terrestrial ecosystems, including deforestation and forest degradation.
Source: SFN (2023)
Table A23 summarises costs in the land use sector which are
captured in the analysis. Costs associated with climate policy
include emissions costs aligned with a Paris-compliant carbon
pricing trajectory and incentives for negative emissions such
as carbon capture. Other costs encompass a broader set of
output-related expenditures that increase with policy ambition.
These include the rising costs of input factors like energy,
labour and eco-friendly inputs, investments in research,
development and the adoption of new technologies, and
costs related to irrigation and expanding resource-efficient
production systems. They also cover downstream costs of pro-
cessing, transport and trade, which may grow due to the shift
toward greener logistics and decentralised networks. Addi-
tional costs arise from land conversion activities, including
land clearing and preparation for agriculture or ecological
restoration, and from forest management practices such as
afforestation or reforestation.
Notably, the costs included in this assessment cover quan-
tifiable investment needs in the production of commodities
or provision of services related to NbS. Enabling investments
required in the wider socioeconomic and institutional environ-
ment to scale NbS interventions effectively are not included in
these projections.
86 | UNEP | State of Finance for Nature 2026
Table A23: Costs reflected in the integrated assessment modelling (Source: SFN 2023)
Output costs in the investment
needs analysis
Description and examples
1. Costs of input factors Cost of producing food and materials includes labour, energy, physical inputs, non-
land capital cost. Examples including higher electricity prices; eco-friendly fertilizer.
2. Investment in technical
change and adoption
Includes R&D, adoption and irrigation expansion. Examples include R&D in new
technologies to achieve market readiness.
3. Costs of processing,
transport and trade
Includes all downstream costs to consumer. Examples include greener logistics,
decentralised systems etc.
4. Cost of land conversion Including land clearing and preparation for agriculture or restoration. Examples
include land clearing and preparation.
5. Cost of forest management Cost associated with forest management. Examples include planting trees or
expanding forest.
6. Costs of climate policy Emissions costs associated with a Paris aligned carbon pricing trajectory; Rewards
for negative emissions. Examples include emissions permits, incentives for carbon
capture, etc.
The Nature Transition X-Curve
Table A24 provides a comprehensive list of leverage points to support transition to nature positive outcomes organized in eight
thematic categories. Colour coding corresponds to the five elements of the Nature Transition X-Curve: phasing in (green),
phasing out (red), vision (orange), knowledge (dark blue) and equity and engagement (light blue).
Table A24: List of leverage points
Leverage point / category Sources
Governance, law and policy reform
Embed NbS in legal systems.
IUCN 2024a
Using a whole-of-government approach to align biodiversity and climate
agendas.
UNEP FI 2023; Finance for Biodiversity Foundation
2024; IUCN 2024a
Reform subsidies harmful to nature.
UNEP 2022a; UNEP FI 2023; UNEP 2024; Hafferty et
al. 2025
Mandatory standards for disclosure of impacts and dependencies on
nature.
Meadows 1999;Barbier et al. 2018, Kedward et al.
2022; UNEP FI 2023a; WWF 2024
Develop sector-specific nature-positive transition pathways and policy
frameworks.
Barbier et al. 2018; Kedward et al. 2022; WWF 2024
Enhance global cooperation for the protection of shared natural
resources and transboundary issues.
WWF 2024
Integrate diverse knowledge systems, including indigenous, ensuring
data sovereignty.
IPBES 2024; UNEP FI 2025
Acknowledge all benefits of nature, including for human health. Bridgewater 2018
Regulation that rewards early adopters of sustainable finance. WWF 2024
Use fiscal incentives to attract private capital for nature. UNEP 2023; UNEP FI 2023
Fiscal instruments to disincentivise harmful environmental practices. UNEP 2022a
87 | UNEP | State of Finance for Nature 2026
Leverage point / category Sources
Address corruption and insecurity as barriers to nature-positive
investment.
WWF 2024
Revise national accounting to include nature ("green GDP"). Oanh 2023; WWF 2024
Strengthen environmental considerations in trade rules and incentives. WWF 2024
Eliminate trade barriers that punish environmental standards. WWF 2024
Support workers and businesses affected by the green transition. WWF 2024
Recognise the rights of local and Indigenous communities. IPBES 2024; Hafferty et al. 2025; UNEP FI 2025
Protect environmental defenders and activists. IPBES 2024; UNEP FI 2025
Design inclusive trade policies respecting Indigenous and local rights
and GESI.
WWF 2024; OECD 2025a; UNEP FI 2025
Ensure the participation of women, youth and smallholder producers in
decision-making spaces, following GESI principles.
Wittmer et al. 2021; Viña et al. 2023
Acknowledge the growing legal and financial liabilities tied to
investments that harm climate and nature.
ICJ 2025
Systemic coherence and integration
Nature-proofing of Official Development Assistance (ODA) by aligning
ODA funding with NbS.
UNEP 2022a; Oanh 2023
Support developing countries in designing sustainable development
pathways.
Barbier et al. 2018; WWF 2024
Align KPIs in industry and finance with the Global Biodiversity
Framework (GBF).
WWF 2024
Mainstream nature in the global economic agenda. UNEP FI 2023;WWF 2024; Hafferty et al. 2025
Agree on the goal and definition of a nature-positive economy.
Randrup et al. 2020; Kooijman et al. 2021; WWF 2024
Align climate, biodiversity, restoration finance and SDG agendas. WWF 2024
Always consider ecological infrastructure as alternative to and in
synergy with grey infrastructure.
Bridgewater 2018; Randrup et al. 2020; UNEP
2022a; Mercado et al. 2024
Support integrated landscape initiatives. UNEP 2021
Shifting social norms away from consumerism towards sustainable
lifestyles.
IPBES 2024
Adopting regenerative views, structures and practices. Hebinck et al. 2022; IPBES 2024
Changing mindsets and paradigms towards nature-based principles.
Randrup et al. 2020; Roggema et al. 2022; Cousins
2024; Mercado et al. 2024
Finance instruments
Foster public-private partnerships for blended finance and de-risking. UNEP FI 2023; UNEP 2024
Promote innovative nature finance like debt-for-nature swaps, green
bonds and impact funds.
Singhania et al. 2023; UNEP 2023; Finance for
Biodiversity Foundation 2024
Increase public investment in nature through green budgeting and
procurement.
UNEP 2022a; IUCN 2024a; UNEP 2024; Hafferty et al.
2025
Scale up concessional finance, including preferential agricultural loans UNEP 2021; Oanh 2023
Establish global funding mechanisms for NbS and nature-positive
finance.
WWF 2024
Promote financial inclusion through microcredits, micro-savings and
digital services.
UNGA 2023
Financial sector alignment
Require biodiversity impact assessments for investments using
credible, nature-inclusive standards.
Singhania et al. 2023; UNEP 2023
Reform global financial institutions to empower nature-rich countries. Oanh 2023; WWF 2024
88 | UNEP | State of Finance for Nature 2026
Leverage point / category Sources
Address sovereign debt challenges that hinder investments in nature /
NbS.
WWF 2024
Mandate finance institutions to divest from nature-negative activities. UNEP 2022a
Develop verification and certification for nature-related investments. Edmans et al. 2022; UNEP 2023
Embed nature risks and dependencies in monetary policy and
supervision.
UNEP 2023; Finance for Biodiversity Foundation
2024; UNEP 2024
Guide financial institutions to align with biodiversity frameworks. UNEP 2023
Engagement of financial institutions with clients for supporting the
phase out of nature negative finance flows.s
Finance for Biodiversity Foundation 2024
Standards, metrics and data
Ensure coherent, accessible data for monitoring climate, biodiversity,
and well-being.
IUCN 2024a
Create standard metrics and methods to show benefits of NbS and
nature-positive investments.
UNEP 2021
Improve data on NbS and nature finance, including gender dimensions. IUCN 2024b, Hafferty et al. 2025
Develop metrics of societal success that include social, economic,
cultural and environmental goals.
Randrup et al. 2020; IPBES 2024
Agree globally on indicators to track nature-positive progress. IUCN 2024a
Adopt science-based targets to reduce risks and generate nature-
positive impacts.
UNEP FI 2023; Finance for Biodiversity Foundation
2024
Standardise frameworks to capture nature?s multi-dimensional value. Randrup et al. 2020; UNEP 2023
Business and markets
Establish state-owned enterprises to drive nature-positive and NbS
investments.
UNEP 2022a
Create high-integrity markets for nature and NbS.
Barbier et al. 2018; UNEP 2022a; UNEP FI 2023
Develop insurance products for nature-related risks and opportunities. WWF 2024
Provide seed funding at the right scale for nature-positive businesses. UNEP 2024b
Quantify and disclose corporate biodiversity impacts and
dependencies.
UNEP 2021; Edmans et al. 2022; UNEP 2024b
Ensure carbon markets meet strong environmental and social
standards.
Barbier et al. 2020; UNEP 2021
Develop markets for alternatives to extractive activities. Oanh 2023; WWF 2024
Assess socio-political risks and benefits of nature market approaches. Kedward et al. 2022
Fund experimental spaces for nature-positive innovation. Cousins 2024
Support nature-based enterprises centred on conservation. Kooijman et al. 2021
Improve funding and market access for women and marginalised
groups.
UNEP 2022
Investing in women and Indigenous peoples-led efforts, sectors and
collaborations.
IUCN 2024b
Education and capacity building
Integrate human-nature connectedness into education, health, planning
and art.
Roggema et al. 2022; IPBES 2024; Hafferty et al.
2025
Build board level leadership for nature. UNEP 2024b
Promote sustainable finance literacy for informed investment and
business decisions.
Samdani 2024
Build capacity and simplify finance access for local and Indigenous
communities.
UNEP FI 2025
89 | UNEP | State of Finance for Nature 2026
Leverage point / category Sources
Support students in becoming ecological leaders. Roggema et al. 2022
Expand financial education for underserved populations. Oanh 2023
Understand both co-benefits and risks of NbS. Osaka et al. 2021; Kedward et al. 2022; UNEP 2023
Highlight cost-effectiveness and revenue potential of conservation. Kooijman et al. 2021; UNEP 2023
Explore blockchain and artificial intelligence roles in NbS and nature
goals.
Singhania et al. 2023
Recognise the connection between poverty eradication and biodiversity
conservation.
Ancrenaz et al. 2007
Equity, rights and participation
Understand and compensate for the local (social) costs of investments,
including for youth, women and marginalised groups.
Bidaud et al. 2018; IUCN 2024b
Use participatory methods like co-creation and citizen science. IPBES 2024; Hafferty et al. 2025
Ensure nature finance follows rights-based, high-integrity standards. UNEP FI 2025
Create fair models to share assets and benefits with IPs and LCs.
Bidaud et al. 2018; UNEP 2023; UNEP FI 2025
Acknowledge and address power inequalities. Hafferty et al. 2025
Strengthen local democracy and community control over land use. Hafferty et al. 2025
Empower women as agents of change leveraging their unique
knowledge to improve environmental, health and socioeconomic
outcomes.
IUCN 2024b; OECD 2024c
Recognise the rights of nature and the rights of Mother Earth as
stakeholder.
IPBES 2024
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Acknowledgements
Foreword
Table of Contents
Glossary
List of Abbreviations
Executive Summary
(ATTENTION: OPTION that contribute to biodiversity objectives and are
tagged with at least a ?significant? biodiversity
marker are classified as upper-bound NbS finance
flows. Projects must meet additional stringent
criteria to qualify as lower-bound, i.e. be tagged with
a ?principal? biodiversity marker (which implies a
larger contribution to biodiversity objectives than the
?significant? marker) and have keywords related to
NbS in their description.
Figure 11: Official Development Finance targeting NbS, 2015-23 and by sector in 2023 (US$ billion)
Note: Authors? calculations. Estimates are lower-, mid- and upper-bound to account for uncertainty in identification of NBS. Data from OECD
CRS (2025) which covers Official Development Assistance (ODA) and Other Official Flows (OOF) from public bilateral and multilateral sources.
For sectoral breakdown, 2023 disbursements are used.
28 | UNEP | State of Finance for Nature 2026
NbS finance in ODF is highly concentrated
in environmental policy (US$1.9 billion) and
biodiversity-focused interventions (US$1.1 billion)
reflecting the central role of governance and
biodiversity conservation in public NbS finance
(Figure 11). Significant amounts are also allocated
to agriculture (US$1.3 billion) and forestry
(US$0.8 billion). Most ODF targeting NbS is highly
concessional. ODA grants provided 75 per cent of
NbS related ODF, with the balance in ODA loans,
equity investments and Other Official Flows, e.g.
non-export credits.
ODF targeting NbS has a strong gender dimension
that has increased over time but is unevenly
distributed across sectors. In 2023, 58 per cent of
all ODF NbS finance flows are gender marked (Figure
12). ODF NbS finance to the agriculture sector has
the highest level of gender integration (81 per cent),
followed by disaster risk reduction (DRR) (73 per
cent) and water and forestry (68 per cent and 67
per cent respectively). Projects for environmental
protection have a lower level of gender integration
with 45 per cent tagged with the gender marker. To
enhance impact, policies should ensure NbS funding
integrates gender from design to implementation,
with clear targets and accountability for gender
outcomes.
Figure 12: Share of Official Development Finance targeting NbS with a gender marker, 2015-23
Note: Authors? calculations. Estimates are in percentage terms and based on mid-point values. Based on OECD CRS (2025b) which covers
ODA and OOF from public bilateral and multilateral sources. Projects are identified with a significant or principal gender marker.
2015 2016 2017 2018 2019 2020 2021 2022 2023
36%
46%
43%
53%
45%
52%
60% 60%
58%
Agriculture
Water supply
& sanitation
General
environment
protection
81%
68%
49%
15%
Gender share 2023
Other
multisector
(DRR)
Forestry
Industry
Fishing
73%
67%
45%
29 | UNEP | State of Finance for Nature 2026
3.2.3 NbS delivering on the Rio Conventions
Roughly 43 per cent of ODF targeting NbS in
2023 supported projects delivering against
all three Rio Conventions simultaneously,
demonstrating important synergies to tackle
climate change, biodiversity loss and land
degradation, desertification and drought (DLDD).
NbS offer strategic opportunities to strengthen
coherence in implementation and financing across
Rio Conventions. Synergistic implementation not
only amplifies impacts but also reduces costs,
e.g. in Central Asia, synergies reduced total cost
of implementation by 25 per cent (Mirzabaev et
al. 2025). However, financial reporting on NbS by
countries against the targets of the Rio Conventions
can be challenging. Greater clarity on how NbS
finance relates to biodiversity finance, climate
finance for nature and restoration or DLDD finance is
needed.
This analysis looks at each transaction of ODF
disbursements that meet the biodiversity-related
eligibility criteria for NbS (Table 3). Further
attribution to UNFCCC (climate) and UNCCD (DLDD)
is made using Rio markers, keywords in project
descriptions and SDG proxies. Identification of NbS
activities relied on project descriptions and should
not be interpreted as official reporting by DAC
countries. Details are in the Technical Annex.
Table 3: Attribution scheme of NbS transactions to Rio Conventions
Biodiversity finance (CBD) Climate finance (UNFCCC) DLDD finance (UNCCD)
Biodiversity sector
Biosphere protection sector
Biodiversity marker (significant
or principal)
Biodiversity keyword
(significant-like or principal-like)
SDG 14 (life below water) or
SDG 15 (life on land) marker
Climate mitigation marker
(significant or principal) OR
Climate adaptation marker
(significant or principal)
Desertification marker (significant or principal)
DLDD keywords
SDG 15.3 marker (land degradation neutrality)
SDG 15 marker (life-on-land)
SDG 2.4 marker (sustainable food production)
Biodiversity OR climate adaptation marker in sector*
Note: *General environmental protection (CRS Category), urban development and management, urban land policy and management, rural
development, rural land policy and management, disaster risk reduction. SDGs markers and keywords for climate finance are excluded.
Referring to SDG markers, OECD (2023) states that ?the heterogeneity in reporting quality of this field implies that data extracted from this
field may be inconsistent across donors.?
Disaggregation of ODF targeting NbS by Rio
Convention demonstrates that NbS flows are
captured under biodiversity finance (upper bound
estimates of US$13.3 billion) with subsets of NbS
finance contributing also to climate and DLDD
objectives. The overlapping area in Figure 13
represents ODF NbS investments that simultaneously
deliver biodiversity, climate and/or DLDD benefits.
US$5.7 billion (43 per cent) of ODF targeting NbS in
2023 supported projects delivering against all three
Rio Conventions simultaneously. Donor countries
differ in the extent to which they support NbS, which
likely reflects differing priorities.
30 | UNEP | State of Finance for Nature 2026
DLDD
Desertification,
land degradation
and drought
3.8
(28%)
2.7
(20%) 5.7
(43%)
1.1
(8%)
Biodiversity
Climate
Nature-based
solutions
NbS
Figure 13: Contribution of ODF targeting nature-based solutions to Rio Conventions in 2023 (US$ billion and %)
Where additional Rio markers or other indicators for climate or DLDD objectives are present, transactions are also attributed to UNFCCC or
UNCCD. Overlapping or joint contributions occur when single investments support multiple Rio Convention targets simultaneously.
Based on upper bound estimate which include 100 per cent of the value of transactions tagged with the biodiversity Rio marker or equivalent.
approaches are more systematically addressed in
multi-convention projects, reflecting recognition of
gender equality as a cross-cutting driver of more
inclusive and effective environmental action. The
relatively higher gender shares in NbS projects
contributing to multiple Rio Conventions indicate
that gender-responsive synergies are beginning to
materialise in practice (UN Women 2024).
Figure 14: Share of Official Development Finance targeting NbS that delivers on multiple Rio Conventions and gender, 2021?23 (%)
23%
39% 37%
74%69% 68%
48% 49% 45%
59% 56% 57%
2022
2021
2023
Biodiversity only
and gender
Biodiversity,
climate and
gender
Biodiversity, DLDD
and gender
Biodiversity, climate,
DLDD and gender
NbS finance delivery across Rio Conventions and
gender integration
NbS projects aligned with multiple Rio Conventions,
particularly climate and biodiversity, have high shares
of gender integration (68 per cent), while projects
focusing solely on biodiversity (37 per cent) lag
(Figure 14). This suggests that gender-responsive
Note: Authors? calculations with data from OECD CRS (2025b).
31 | UNEP | State of Finance for Nature 2026
3.2.4 Public debt-for-nature swaps
NbS finance flows channelled through debt-for-
nature (DNS) swaps reached roughly
US$0.63 billion in 2023 (Figure 15). DNS are financial
transactions in which a share of a country?s foreign
debt is restructured on better terms in exchange
for commitments to invest in conservation, often
channelling funds into local projects and engaging
IPs and LCs. SFN 2026 introduces DNS in NbS
finance estimates to capture the growing contribution
of sovereign debt restructuring as a channel for
mobilising finance for nature. There have been eight
DNS agreements from 2021?24 in Belize, Ecuador,
Gabon, El Salvador, the Bahamas, and Barbados.
Figure 15: Total restructured debt by year, including new debt and conservation funds, 2021-24
Source: Authors? calculations. Data from BloombergNEF 2025; Bloomberg Terminal 2025.
DNS aim to address the dual challenges of sovereign
debt and biodiversity loss, particularly in emerging
economies. Traditional debt restructuring typically
aims to stabilise a country?s financial situation by
renegotiating the terms of debt repayment, without
addressing broader socio-environmental issues. In
contrast, DNS integrates financial relief with tangible
conservation outcomes, creating a win-win scenario
for both economic stability and environmental
sustainability.
There are two types of DNS. Commercial DNS
involve restructuring government debt that is traded
on markets, such as fixed income securities (e.g.
sovereign bonds). A third-party organization, usually
an NGO, government or individual(s), purchases
the debt at a discount in the secondary market. The
debtor country then invests the acquired funds in local
currency in conservation projects. Bilateral (public)
DNS are government-to-government agreements
on debt that is not traded in financial markets, such
as loan products. Tailoring DNS to the needs and
priorities of countries is essential to maximise its
effectiveness. This requires knowledge of priority
areas within a country, as well as the involvement of
national governments in implementing and managing
DNS (Nedopil et al. 2023).
While DNS have potential, their success depends
on enabling conditions, such as institutional
capacity for monitoring, alignment with biodiversity
priorities and resilience to external financial shocks.
Their effectiveness is influenced by the degree of
country ownership, strong conservation incentives
and additionality. Aligning these instruments
with national biodiversity plans, nature-related
taxonomies and inclusive processes, particularly
involving IPs and LCs, enhances impact. More
broadly, the successful scaling of nature finance
may rely less on individual instruments and more
on coherent, systemic approaches that integrate
climate and nature objectives through robust
governance and accountability mechanisms (IMF
2024).
in billion US$
0.0
1.0
2.0
0.5
1.5
2.5
3.0
3.5
4.0
0.34
2021
0.16
2022
1.12
2023
0.54
0.21
1.75
2024
3.70
1.10
2.60
New debt
Conservation funds unlocked
0.20 0.05
0.63
32 | UNEP | State of Finance for Nature 2026
3.3 Private finance flows to
nature-based solutions
Private finance flows to NbS reached US$ 23.4
billion in 2023, one-tenth of total finance flows
for NbS (Figure 16), up by nearly 8 per cent since
2022. Private NbS finance tracked includes green
and sustainability linked bonds with biodiversity
UoP, philanthropy, private finance mobilised by ODF,
biodiversity offsets and credits, carbon markets,
payments for ecosystem services (PES) and certified
commodity supply chains.
Biodiversity offsets mobilised roughly US$7.1 billion
providing the largest share of private NbS finance.
Sustainable corporate bonds with biodiversity UoP
and biodiversity funds are increasingly important asset
classes to scale finance for NbS. Finance channelled
through private corporate bonds with biodiversity UoP
was US$4.1 billion in 2023 compared to US$2.7 billion
in 2019.6 Investment in biodiversity funds has grown
rapidly at 14 per cent CAGR over the past five years
(Global Impact Investing Network [GIIN] 2024).
6 Excluding financial sector issuances of around US$5 billion in 2024
(BloombergNEF 2025; Bloomberg Terminal 2025).
0.1
0.10.30.30.40.9
0.1
0.04
0.07
0.02
0.7
0.20.10.3
0.30.4
7.1
3.0 1.0
4.2
1.6
2.3
Biodiversity offsets Payments for ecosystem
services
Compliance carbon credits Voluntary carbon credits
Forest products
Seafood
General environment
protection
Agriculture
Agri.
Fo
re
st
ry
/F
is
hi
ng
Others
Others
Utilities
Industrials
Materials
Consumer
discretionary
General environment
protection
Palm oil Coffee Soy
Cocoa
Philanthropy
Private finance
mobilised by ODF
Corporate bonds with biodiversity UoP (US$4.1 billion) Biodiversity and
natural capital
funds
Market based instruments (US$12.6 billion) Certified commodity
supply chains (US$4.6 billion)
Source: Authors? calculations. Data: biodiversity bonds (Bloomberg); private finance mobilised (OECD); philanthropy (OECD); biodiversity offsets (various); PES (various);
CCSC (various). Market-based instruments are non-exhaustive and clustered avoiding double counting or identification issues with other instruments.
Figure 16: Private finance flows to nature-based solutions in 2023 (billion US$)
33 | UNEP | State of Finance for Nature 2026
While private finance for NbS often captures
headlines and policy attention, it currently represents
only a fraction of private finance?s potential
contribution to nature-positive outcomes. Most
impact will come through impact mitigation finance,
transition finance and mainstreaming approaches, i.e.
finance that reduces harm across existing portfolios,
supports sectoral transformation and integrates nature
considerations into routine financial decisions. Yet,
as discussed in chapter 1, these critical categories
currently lack agreed definitions, standardised metrics
and robust reporting systems. Without comprehensive
frameworks to capture this broader spectrum of nature-
relevant finance, we risk systematically undervaluing
and underreporting the private sector?s potential
contributions to nature protection. This creates a blind
spot: institutions may be delivering substantial nature
benefits through supply chain improvements, circular
economy investments and sectoral transitions that
remain invisible in current tracking systems.
3.3.1 Sustainable bonds for biodiversity
Germany, the United Kingdom, France, Italy,
China, Spain, Sweden, Australia, Hong Kong
and the European Union issued US$168 billion in
sustainable and green bonds with biodiversity UoP
in the first eight months of 2024 (BloombergNEF
2024). While government financing is responsible
for all of this issuance in six of the largest markets,
biodiversity-related bonds issuance in China, South
Korea and France is composed almost entirely of
private-sector funds. Investors are venturing into
frontiers of nature and biodiversity via labelled bonds
including biodiversity conservation among their UoPs
(Sustainable Fitch 2023a).
Issuance of green bonds targeting NbS to de-risk
private finance is a strategy to increase private
investment in NbS. Bonds may target NbS that
enhance flood protection of cities, municipalities
and local industry. Sustainability-linked loans and
bonds with a nature component are increasing. The
issuance of green and sustainability bonds featuring
terrestrial and aquatic biodiversity increased from
just 5 per cent in 2020 to 16 per cent in 2023
(Sustainable Fitch 2023b).
Examples of the growing use of bond proceeds for
nature-positive outcomes include the Spanish region
of Castilla y León which allocated part of its 2023
sustainable bond proceeds to forest fire prevention,
reforestation and conservation projects (Junta de
Castilla y León 2023). In the United Kingdom, United
Utilities issued a GBP 300 million7 sustainable
bond in 2021, channelling funds into peatland and
riverbank restoration to enhance water quality and
flood resilience (United Utilities 2024).
Finance flows channelled via private corporate bonds
with biodiversity UoP from 2019 to 2024 are shown in
Figure 17. The utilities sector is responsible for over
three quarters of the total at US$3 billion in 2023,
with a consistently high share over time. Industrials
and consumer discretionary have significant but
variable volumes of corporate bonds.
Figure 17: Private corporate sustainable bonds with
biodiversity UoP by sectors, 2019?24 (billion US$)
Note: Authors? calculations. Estimates cover corporate bonds,
excluding financial sector bonds. Data from BloombergNEF 2025;
Bloomberg Terminal 2025.
7 US$400 million by 5 August 2025 exchange rate.
0.0
1.0
0.5
2.0
2.5
1.5
4.0
3.5
4.5
3.0
0.4
0.3
0.4
0.1
0.6
2023
0.4
0.3
0.3
0.01
2019 2020 2021 2022
2.7
3.4
3.6
2.5
4.1
0.4
1.0
1.4
0.3
0.2
0.2
OthersMaterialsConsumer discretionaryIndustrialsUtilities
2024
0.2
0.3
0.5
0.6
2.3
3.9
1.8
0.1
3.0
1.3
0.1
0.1
0.2
0.7
0.2
2.5
34 | UNEP | State of Finance for Nature 2026
3.3.2 Biodiversity funds
An average of US$1 billion was invested in
biodiversity funds annually between 2020 and
2023, concentrated in the industry, basic materials
and information technology sectors (Morningstar
2025). Biodiversity and natural capital funds are
actively managed financing platforms which channel
investment into biodiversity conservation, restoration
and protection projects via diverse financial
mechanisms.8 These mechanisms may involve the
application of exclusion-based policies on non-
financial corporates that engage in environmentally
harmful activities and the adoption of biodiversity
indicators (e.g. Corporate Biodiversity Footprint,
Biodiversity Impact Measurement and Assessment
Practices) and frameworks (e.g. the Partnership
for Biodiversity Accounting Financials) to guide
investment strategies. While data on the amount
and distribution of finance flows channelled by
biodiversity and natural capital funds is scarce,
it is possible to identify key sectors targeted by
biodiversity and natural capital funds globally.
Granular data at the activity-level is needed to
identify finance flows channelled by these funds to
NbS specifically.
Biodiversity and natural capital funds held a total of
US$1.6 billion in assets under management as of
October 20249, which represented an increase of
nearly 50 per cent since the beginning of the year
(Morgan Stanley Capital International [MSCI] 2024a).
3.3.3 Philanthropic funding
Private philanthropy channelled around US$271
million to NbS in 2023, a decline of 60 per cent
since a peak of US$692 million in 2021 (Figure
18). Biodiversity and biosphere protection absorb
just over half of philanthropic funding, followed
by agricultural land resources (15 per cent) and
environmental policy (15 per cent) in 2023.
8 Bioy et al. (2024) identify three types of biodiversity investment strategies
used by biodiversity funds: Reduction in biodiversity-related impacts (risk-ori-
ented), the provision of solutions to biodiversity loss (solutions-focused) and a
combination of both (mixed).
9 All 24 funds analyzed are domiciled in Europe and only four are located
outside the region (MSCI 2024a).
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35 | UNEP | State of Finance for Nature 2026
Figure 18: Philanthropic funding to nature-based solutions, 2015-23, and by sector in 2023 (million US$)
Note: Authors? calculations. Estimates are low-, mid- and upper-bound estimates reflecting uncertainty in project identification. Filtering
criteria ensure that double counting in OECD (CRS) datasets is minimised.
150
40
42
1 3
7
7 7
6 2
1 1 1
4
Biodiversity
Environmental policy
Biosphere
protection
Environmental
education/training
Forestry
development
Disaster risk
Reduction
Fishery
development
Fishery
policy
Agriculture (US$71 billion)
Forestry and fishing
Agricultural land resources
Agricultural
development
Agricultural
research
Agricultural
inputs
Agricultural policy
and administrative
management
Ind?l/
export
crops
General environment protection (US$194 billion)
271
0
200
400
600
800
1,000
1,200
2015 2016 2017 2018 2019 2020 2021 2022 2023
Philanthrophic funding by sector (2023) Mid-point
Upper bound Mid-point Lower bound
36 | UNEP | State of Finance for Nature 2026
While philanthropic funding to NbS has decreased
dramatically between 2021 and 2023, recent
developments may signal renewed momentum. At
COP16 in Colombia, a coalition of philanthropic
organizations including Arcadia, the Becht
Foundation, Bezos Earth Fund and Bloomberg
Philanthropies announced a US$51.7 million pledge
to accelerate development of Marine Protected Areas
(MPAs) in the high seas. This new commitment
signals growing recognition of ocean-based NbS
and reflects the important role of philanthropic
action to fill critical funding gaps in underfinanced
ecosystems (Bloomberg Philanthropies 2024).
Philanthropy can play a catalytic role in financing
NbS by providing early-stage, risk-tolerant capital to
NbS projects and attracting follow-on investments.
It can address governance gaps where public
institutions are weak. Philanthropy can empower
local communities through training and capacity
building, strengthening NbS implementation over
time. Philanthropy may also fund scientific research,
foster cross-sector collaboration and enable
experimentation with innovative approaches, such
as green bonds or pay-for-success models which
other funding sources may find too risky. By bridging
critical financial and institutional gaps, philanthropy
can lay essential groundwork for scaling NbS
(Seddon et al. 2020; van Gerwen 2021; Beer 2022;
McKinsey & Company 2023).
Gender integration in philanthropic funding for NbS
is limited relative to other types of philanthropic
funding. The share of philanthropic funding targeting
NbS in 2023 marked for gender ranges from 1 per
cent for general environmental protection to 100
per cent for disaster risk reduction. However, the
volumes are small as DRR makes up less than one
per cent of philanthropic funding. The low gender
share of NbS-related philanthropy in some sectors
may reflect a narrow focus on ecological or technical
outcomes, overlooking social dimensions including
gender equality that influence long-term success.
To increase impact and alignment with global goals,
philanthropic funding for NbS must better integrate
gender as a core component of effective and
inclusive NbS.
Figure 19: Share of gender marked projects in NbS funding
through private philanthropy (%)
Note: Authors? calculations. Based on OECD CRS (2025b) data.
3.3.4 Environmental non-governmental
organizations
Environmental NGOs (eNGOs) play an important
role in providing NbS finance, particularly in
emerging and developing economies characterised
by greater market volatility and financial risk,
which discourages private investors. NbS finance
channelled through eNGOs generally incorporates
social and environmental safeguards, which helps
local communities harness opportunities associated
with NbS and to participate in their implementation.
A recent study (The Nature Conservancy and Forest
Trends 2025) found that global private sector
(private companies and foundations) investment
in NbS with water-related objectives (e.g. flood
risk mitigation, water supply and quality) was
approximately US$345 million in 2023.
NbS finance channelled via eNGOs is not included
in the quantitative analysis due to limited
availability of data and potential double counting.
ENGOs are for the most part not direct providers of
new funding for NbS, but rather act as intermediaries
between governments, multilaterals and foundations
and recipients. Since public and philanthropic finance
is already reported, and reliable data on eNGO
funding sources is lacking, eNGO expenditures are
not separately accounted for.
Agriculture Forestry Fishing
20%
4%
15%
General
environment
protection
Disaster risk
reduction
1%
100%
37 | UNEP | State of Finance for Nature 2026
3.3.5 Private finance mobilised by Official
Development Finance
Private finance to NbS mobilised by public ODF
is estimated at US$878 million in 2023 reflecting
a sharp 160 per cent increase since 2022 (Figure
20). Public policy instruments including de-risking
mechanisms, e.g. guarantees, co-financing or
public-private partnerships, syndicated loans are
Figure 20: Mobilised private finance to NbS by sector, 2015-23 (million US$)
Note: Authors? calculations. Estimates represent lower-, mid- and upper-bound values reflecting uncertainty in project identification. Filtering
criteria ensure that double counting in OECD CRS 2025 datasets is minimised.
essential for increasing private investment in NbS.
With de-risking mechanisms public actors reduce
the perceived financial risks associated with NbS,
which may encourage private actors with lower
risk tolerance to invest in NbS. Tracking private
finance to NbS mobilised by ODF can indicate
the effectiveness of public policy instruments in
catalysing private NbS finance flows.
In 2023, the largest share (80 per cent) of private
NbS finance mobilised by ODF went to general
environment protection (US$729 million). Smaller
shares went to agriculture (US$88 million), water
and industry (US$39 million) and forestry and fishing
(US$22 million).
Regional analysis identifies Asia as the largest
recipient of mobilised private finance to NbS with
US$426 million in 2023, followed by cross-regional
initiatives (Figure 21). Most of the private finance
mobilised for NbS was channelled through simple co-
financing and guarantees10 underlining the important
role of these de-risking mechanisms.
10 These values represent average mid-point estimates over 2021?2022.
88 22 729 39 878
Agriculture Forestry and fishing General environment protection Others, incl. water and industry
0
200
400
600
800
1,000
1,200
1,400
1,600
2015 2016 2017 2018 2019 2020 2021 2022 2023
878
Private NbS finance mobilised by ODF
by sector (2023) Mid-point
Upper bound Mid-point Lower bound
38 | UNEP | State of Finance for Nature 2026
Figure 21: Private finance for NbS mobilised by ODF per recipient region in 2023 (million US$)
Note: Authors? calculations. Estimates represent lower-, mid- and upper-bound values reflecting uncertainty in project identification.
Filtering criteria ensure that double counting in OECD CRS datasets is minimised.
3.3.6 Carbon offsets
The value of nature-based carbon offsets
traded in the VCM declined by 57 percent from
US$828 million in 2022 to US$ 355 million in
2023 (Ecosystem Marketplace 2024; Ecosystem
Marketplace 2025). Transactions from projects in
agriculture, forestry and other land use (AFOLU) fell
in volume and value, with their share in total VCM
transactions dropping from nearly half in 2022 to just
over a third in 2023. Average prices declined sharply,
reflecting a cautious buyer environment linked
to scrutiny of REDD+ methodologies, particularly
baseline calculations and credit issuance (West et al.
2024). Media coverage questioning the additionality
and integrity of carbon credits in the VCM has
reduced demand and pushed some buyers towards
engineered project types, where carbon savings are
perceived as easier to measure.
Even so, nature-based carbon offsets continued to
command a notable price premium in 2024 (World
Bank 2025), suggesting that investors still see added
value in their biodiversity and social co-benefits.
Reforms introduced in late 2023, including updated
REDD+ methodologies, appear to be restoring
confidence.
Market-based instruments for nature-based
solutions
Private finance remains a modest but growing source
of funding for NbS, mobilising an estimated US$13
billion in 2023 through market-based mechanisms
including carbon and biodiversity offsets and
payments for ecosystem services. These instruments
channel investment into conservation, restoration and
sustainable land use, yet their overall scale remains
small relative to public finance and global needs.
Integrity challenges, policy uncertainty and limited
demand for verified nature-positive outcomes continue
to constrain market confidence. Strengthening
transparency, regulatory coherence and links between
private and public finance will be critical to scaling
credible and sustained investment in NbS.
Investments in biodiversity offsets were estimated
at US$7.1 billion, representing a significant
channel for finance flows into conservation. The
market for biodiversity credits remains nascent,
with investments pledged at US$8 million in 2022
(Manuell 2023). Private payments for ecosystem
services (PES) channelled roughly US$4.2 billion in
2023. The global market for nature-based carbon
offsets, including compliance schemes and the
Voluntary Carbon Market (VCM) was valued at
US$1.3 billion in 2023.
0
100
200
300
400
500
600
700
800
Africa Americas Asia Europe Unspecified
Upper bound Mid-point Lower bound
39 | UNEP | State of Finance for Nature 2026
In compliance markets, US$942 million in private
finance was mobilised in 2023 through national and
subnational programmes. This estimate is based on
the value of credits cancelled under the New Zealand
Emission Trading Scheme (US$679 million), California
Cap-and-Trade Program (US$195 million), Colombia
Carbon Tax (US$57 million) and Australian Carbon
Credit Unit Scheme (US$28 million)11 ? compliance
schemes that allow NbS-related carbon credits12. Many
other compliance schemes, e.g. the European Union
Emissions Trading System (EU ETS), only allow direct
emission reductions from regulated sectors.
Colombia?s carbon pricing policy combines a carbon
tax with an offsetting mechanism, the non-causation
mechanism, which allows liable entities to avoid
triggering the full carbon tax by compensating for
up to 50 per cent of greenhouse gas emissions
associated with the sale, import or consumption of
taxed fossil fuels. Compensation is achieved through
acquisition of emission reduction certificates
or removals that meet eligibility criteria and are
registered in Colombia?s national registry (Allcot
Trading 2023; Gómez 2024). Despite a relatively
low average carbon price of US$5/tCO2e (World
Bank 2025), the scale of finance is substantial with
roughly 11 million NbS-related offsets used against
the carbon tax, generating US$57 million in 2023.
3.3.7 Biodiversity offsets
NbS finance channelled via investment in biodiversity
offsets13 increased from US$6.8 billion in 2022
to US$7.1 billion in 2023. Over 100 countries had
some form of biodiversity offset programme policy
in place in 2019, with 37 countries legally requiring
biodiversity compensation or permitting certain
developments (Bull et al. 2018).
The United States accounted for 87 per cent of the
total with US$6.2 billion invested in 2023, mainly
11 All price data is sourced from the World Bank?s Carbon Pricing Dashboard,
except for Australia?s prices. 2023 and 2024 prices are from Clean Energy
Regulator (CER) quarterly report series, while 2022 price is estimated from
CER market price charts. Details available in technical annex.
12 Other smaller or emerging programmes also permit such credits but are not
included in this estimate due to limited available data.
13 Biodiversity offsets are conservation measures required by law to
compensate for the adverse and unavoidable impacts of development on
species and ecosystems that remain even after other mitigation efforts have
been implemented.
through offset and compensation requirements for
wetlands and streams under the Clean Water Act
and for endangered species under the Endangered
Species Act. India represented the second largest
market at US$0.86 billion, primarily through the
National Compensatory Afforestation Program.
Biodiversity offsetting in the EU is largely
compliance-driven under several regulations,
including the EU Habitats Directive. Annual
transactions reached EUR 350?450 million per
annum, with 65 programmes and 180 projects
across at least 12 EU countries (Benett et al.
2017a). Other regions have provincial programmes
(e.g. Australia), lender-funded projects (e.g. Latin
America) or Biodiversity Net Gain policies (e.g. UK).
Despite the scale of investment, biodiversity offsets
face challenges in design and implementation,
with limited evidence of biodiversity gains from
averted loss offsets and, in some cases, adverse
outcomes. For instance, in Indonesia there is
mandatory compensation for development activities
such as mining, agriculture, infrastructures in forest
concession areas (Global Inventory on Biodiversity
Offset Policies [GIBOP] 2019). Forest losses need to
be offset, involving substantial costs to find suitable
offset areas (Budiharta et al. 2018). To implement a
strict mandatory offsetting scheme, implementation
must be effective. In contexts where government
enforcement is weak, voluntary schemes may prove
more effective (Droste et al. 2022). Further details are
provided in the Technical Annex.
This report recognises that biodiversity offsets are
compensation mechanisms that may not lead to net
positive outcomes for nature. There is a growing
scepticism towards some components of the
market for nature. Voluntary offsets are increasingly
excluded from comprehensive ?nature finance?
definitions due to concerns about integrity and
additionality, with such instruments now viewed
primarily as mitigation tools rather than genuinely
positive investments. However, this analysis includes
finance mobilised through mandatory biodiversity
offset schemes with the rationale that, in the
absence of these schemes, most damage to nature
by developers would not be compensated. Therefore,
the investment in offsets represents a net gain over
this business-as-usual scenario.
40 | UNEP | State of Finance for Nature 2026
3.3.8 Payments for ecosystem services
Private NbS finance flows through PES reached
approximately US$4.2 billion in 2023. PES are
systems for the provision of environmental services
through conditional payments to voluntary providers
(Taconi 2012). Third parties acting on behalf of
users compensate landholders for activities that
maintain or enhance ecosystem services delivery.
The buyer is a public or private entity (such as a
conservation group) that may not directly use the
ecosystem service. While public-sector and donor-
backed programmes still dominate, private sector
engagement in PES is increasing (Wunder et al.
2018).
There were 51 PES schemes documented as active
in 2024, many government- or donor-led. There has
recently been an increase in corporate-led or co-
financed schemes, including watershed protection
initiatives by beverage companies and biodiversity-
linked regenerative agriculture programmes.
Common sectors engaging in PES include forestry,
agriculture (e.g. related to avoided land degradation)
and freshwater supply. To estimate private finance
flows to PES, this analysis multiplies the PES
estimate (US$10.1 billion) reported in OECD (2021)
with the private market share reported by Salzman
et al. (2018), downscaling the result by 22 per cent
and 44 per cent to derive upper and lower bounds.
Further details are provided in the Technical Annex.
3.3.9 Certified commodity supply chains
Private finance flows to NbS via certified
commodity supply chains are estimated at
US$4.6 billion in 2023. Estimates are calculated
based on the additional costs incurred to change
production practices to obtain certification under
recognised sustainability standards. Certified forest
products (US$2.3 billion) dominate, accounting for
half of finance channelled to certified commodity
production (Figure 22). Certified seafood accounted
for more than a third.
Figure 22: Private NbS finance flows through certified commodity supply chains, 2019?23 (billion US$)
Note: Authors? calculations. FSC=Forest Stewardship Council; RSPO= Roundtable on Sustainable Palm Oil; RA-4C=Rainforest Alliance -
Common Code for the Coffee Community; RTRS=Roundtable on Responsible Soy. Based on 4C (2023), GCP (2021), Breukink et al. (2015),
FAO (2020; 2022; 2024a; 2024b), FSC (2020; 2021; 2022; 2023), IDH (2020; 2021a; 2021b), PEFC (2019; 2020; 2021; 2022; 2023a; 2023b),
Proterra (2022), Rainforest Alliance (2021; 2022a; 2022b; 2024a; 2024b), RSPO (2023), Statista (2025), World Bank (2025) and WWF (2022).
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
Certified
FSC-PEFC
forestry products
Certified
seafood
RSPO
certified
palm oil
RA-4C
certified
coffee
RA
certified
cocoa
RTRS and
proterra
certified soy
2019 2020 2021 2022 2023
41 | UNEP | State of Finance for Nature 2026
Investment in the sustainable production and
certification of coffee, palm oil, soy and cocoa
markets remains a huge opportunity to transform
the production of these commodities which play
a major role in driving deforestation, ecosystem
conversion and degradation globally. Investment in
the certification of these commodities amounted
to just US$660 million in 2023 (Figure 22), less
than 15 per cent of the total certified commodity
market. Roundtable on Sustainable Palm Oil (RSPO)
certification garnered US$300 million in private
finance, accounting for roughly 12 per cent of
global palm oil crop area and 20 per cent of supply.
Rainforest Alliance and 4C coffee certification,
which covers nearly a third of global green coffee
production, attracted only US$190 million in
investment. See the Technical Annex for details.
Although investment in certified commodity
production has increased, it remains dramatically
insufficient to address the drivers of nature loss from
unsustainable agri-food systems. Limited access
to capital, particularly for smallholders, and high
transaction costs are key barriers (Hidayati et al.
2021; Raman et al. 2025). Moreover, market demand
for certified goods often lags supply (Jones et al.
2024). In 2023, 39 per cent of Rainforest Alliance-
certified coffee was sold as conventional coffee
due to insufficient demand (IISD 2022; Rainforest
Alliance 2024b). Similarly, 43 per cent of Rainforest
Alliance-certified cocoa was sold as conventional
cocoa (Rainforest Alliance 2024a). Strengthening
partnerships between private finance, governments,
and NGOs could help bridge this gap, fostering
innovation and improving traceability for global
supply chains. As stakeholders prioritise alignment
between environmental, social and economic
goals, a concerted effort to enhance investment
in underfunded sectors, such as certified coffee
and soy, will be critical in achieving long-term
sustainability targets.
3.4 Concluding remarks
Public and private finance for NbS reached US$220
billion in 2023, a five per cent increase from 2022.
Public finance (US$197 billion) continues to provide
the main source of NbS investment, driven largely
by domestic expenditure (US$190 billion) and
complemented by ODF (US$6.8 billion) and DNS
(US$0.6 billion). Private finance (US$23 billion)
remains comparatively limited, mobilised primarily
through market-based instruments (~US$13 billion)
and certified commodity supply chains.
While finance flows for NbS have continued to grow,
they remain far below the levels required to meet
global biodiversity, climate and land restoration
goals. Persistent challenges?including integrity
concerns in voluntary markets, uneven access to
finance, and constrained fiscal space?underscore
the need for stronger policy alignment, improved
transparency and monitoring, and targeted use
of public finance to de-risk and leverage private
investment. Accelerating progress towards the
Global Biodiversity Framework and the Paris
Agreement targets will require systemic integration
of NbS into national budgets, development planning
and private investment strategies.
42 | UNEP | State of Finance for Nature 2026
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43 | UNEP | State of Finance for Nature 2026
Annual finance flows to NbS of US$220 billion
need to increase more than two and a half times
from current levels to US$571 billion by 2030 and
to more than triple to US$771 billion by 2050 to
reach Rio targets.1
This chapter analyses investment needed in NbS to
meet Rio Convention targets based on SFN 2023
modelling. The SFN Rio-aligned scenario quantifies
investment needed to reach 30by30, limit climate
change to 1.5°C and reach land degradation
neutrality by 2030. Total annual investment needs
are based on current finance flows (Chapter 3) and
additional investment needs modelled using the
Model of Agricultural Production and its Impact on
the Environment (MAgPIE), complemented with off-
model sources.
In addition, investment in enabling conditions is
essential to ensure investment in NbS implementation
is effective. Finance can act as an enabler of the
transition to nature-positive outcomes when public
and private actors, domestic and international,
help to build the institutional, policy and market
frameworks that allow capital to flow at scale (IPCC
2022). Investing in enabling conditions includes
improving governance practices around international
1 Investment needs refer to annual financial resources required including
current finance flows as well as additional finance required for new projects to
meet Rio targets.
commitments, uncovering hidden risks by better
understanding risk-return profiles and enhancing the
capacity of systems and actors, ensuring that financial
resources are mobilised and effectively translated into
durable, nature-positive outcomes.
4.1 Investment needs and finance gap
Figure 23 displays investment opportunities in
NbS grouped under protection, restoration and
sustainable land management from 2030 to 2050.2 It
is assumed that current finance flows are committed
to current projects so the modelling focuses on
additional investments needed.
Additional investment needed in 2030 is highest
for restoration at US$181 billion, followed by
sustainable land management (US$101 billion) and
protection (US$68 billion). Additional investment
needed increases from US$350 billion in 2030 to
US$ 550 billion in 2050, driven by the required
scale-up of agroforestry systems (+144 per cent)
and restoration, including reforestation (+28 per
cent). While investment needs for protection
appear low, SFN 2023 and the State of Finance for
2 NbS categories and model assumptions are described in the Technical Annex.
Investment needs for
nature-based solutions4
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44 | UNEP | State of Finance for Nature 2026
51 51 51
51
51
13 13 13
14
15
31
40
48
57
66
18
21
9
10
9
2030
9
2035
9
2040
9
2045
9
2050
571
611
652
711
771
Mangrove restoration*
Saltmarshe restoration
Peatland restoration
Seagrass restoration
Reforestation
Grazing-optimal intensity
Cover crops
Agroforestry-silvoarable
Agroforestry-silvopasture
2023
98 111 124
148
171
29
29
29
29
29
45
36
26
25
23
58
81
104
127
149
220 220 220 220 220220
Avoided mangrove impact*
Avoided seagrass impact*
Avoided peatland impact
Avoided grassland conversion
Avoided deforestation
Protected areas
Protection
Sustainable Land Management
Restoration
2.80.8 2.81.4 2.82.0
2.81.8
2.81.6
11
7 5
6
14
8
Figure 23: Annual investment needs in NbS to reach Rio targets, 2030-2050 (billion US$)
Note: Authors? calculations. *Values not visible in the figure due to low value.
45 | UNEP | State of Finance for Nature 2026
Forests (UNEP 2025) indicate that this is due to its
cost-effectiveness and the low per hectare cost of
protection relative to restoration and sustainable
land management-related NbS. Protection-related
NbS represent roughly 80 per cent of additional land
area needed for NbS by 2030 while absorbing only
20 per cent of additional NbS finance (UNEP 2023).
Where possible, protection should be prioritised.
In the modelling, as climate action intensifies,
pressure on land systems increases. Meeting climate,
biodiversity and land degradation targets requires
allocating more land to forests and regrowth of natural
vegetation, which reduces the availability of land for
agricultural production. This shift drives up the level
of investment needed, particularly in areas of more
efficient agricultural production. Climate pledges of
countries assume that almost 1.2 billion hectares of
land can be prioritised for greenhouse gas removal
(Dooley et al. 2022), an area larger than Canada and
around 11 per cent of the world?s habitable land.
Methodological and data challenges constrain
accurate estimation of global and regional
investment needs. A key issue is the lack of
standardised definitions and taxonomies for what
constitutes an NbS intervention. Different institutions
and studies use different elements from ecosystem
restoration and green infrastructure to biochar and
fire management leading to inconsistent scopes
(Seddon et al. 2021; UNEP 2023). Furthermore, data
gaps, particularly in low-income regions, limit the
precision of cost modelling and investment tracking.
Many countries lack up-to-date land use and
ecosystem data, which hinders robust estimation,
particularly for restoration and conservation efforts
(Davison et al. 2021; Nedd et al. 2021).
The quantitative estimates presented here cover only
a subset of NbS, selected based on their mitigation
potential and data availability and quality. Further
details are provided in the Technical Annex.
4.2 Investing in enabling conditions
While direct investment in NbS is critical to scale
implementation sufficiently to reach Rio targets,
it is equally important to invest in an enabling
environment that incentivises and supports
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mainstreaming finance in nature at scale. This
indirect investment in NbS includes expenditures
related to building enabling policy frameworks,
strengthening local institutions, enhancing financial
market capacity and supporting knowledge systems
and data platforms, along with other leverage
points outlined in Chapter 5. Investment in enabling
conditions, which are often overlooked in headline
figures, are essential for implementation and scaling.
Robust regulatory frameworks are essential to
address risk and mobilise investments to scale local
initiatives (Lebelt et al. 2023). Policy frameworks
and oversight are also important to avoid unforeseen
negative externalities and harm to nature and
communities, which may arise from local initiatives
that do not consider their systemic impact (IUCN
2020).
Investing in NbS is not just an environmental
imperative, it is a high-return, long-term strategy
for economic resilience and intergenerational
well-being. Due to the transformative potential of
NbS and their multiple benefits, investing in NbS
supports the economic and social well-being of
current and future generations. There is ample
evidence that NbS are cost-effective solutions
to many global challenges. One dollar spent on
ecosystem restoration provides economic benefits 7
to 30-times greater (Verdone et al. 2017). A review
of NbS for disaster risk reduction found that NbS
projects are more effective in attenuating hazards
than engineering-based solutions (Vicarelli et al.
2024). With the growth of nature markets, evidence
suggests that businesses can unlock around
US$10 trillion in opportunities and create more
than 395 million jobs by 2030 by prioritising nature
(Trankmann 2025).
46 | UNEP | State of Finance for Nature 2026
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47 | UNEP | State of Finance for Nature 2026
This report has shown how business-as-usual locks
us deeper into further degradation of ecosystems.
In 2023, finance directly harmful to nature reached
US$7.3 trillion, while investments in nature-based
solutions (NbS) amounted to only US$220 billion
? a ratio of more than 30:1 (Figure 24). To meet
global commitments under the Rio Conventions,
NbS investment must increase by more than two
Transitioning finance flows for
nature-positive outcomes
and a half times to US$571 billion by 2030, while
harmful flows must be phased out and repurposed.
Governments need to tackle environmentally
harmful subsidies while increasing investment in
NbS through domestic and international public
expenditure. It is also time for the private sector
to step up and scale investment in nature, seizing
opportunities to nature and climate proof economic
activities and financial portfolios.
5
Figure 24: Nature-negative finance and NbS finance flows in 2023 and future NbS investment needs
US$2.4 tn
public EHS
US$4.9 tn
private
2030 20502023
US$571 bn
US$220 bn
US$771 bn
NbS investment needs
to increase by > 2.5 times to
US$571 billion by 2030
US$220 billion in NbS finance
90% (US$197 billion) is public finance
US$7.3 trillion in public and private
nature-negative finance flows
30X greater than NbS finance
NbS investment needed
NbS finance flow in 2023
Nature-negative finance (public)
Nature-negative finance (private)
48 | UNEP | State of Finance for Nature 2026
5.1 A Nature Transition X-Curve
To spark the ?Big Nature Turnaround?, this report
proposes a pragmatic conceptual framework with
transition pathways that set out leverage points
towards a future nature-positive economy. These
leverage points represent actions for governments,
financial institutions and businesses to tackle nature-
negative finance and increase investment in nature
(see the Technical Annex for a full list). It is only by
implementing the Nature Transition X-Curve across
sectors that the US$7.3 trillion in global nature-
negative finance can be phased out and repurposed.
Transformative change on this scale is challenging
but possible. Reforestation of degraded land at a
national scale in Costa Rica was enabled through the
introduction of financial incentives through a levy on
fossil fuels. In Denmark the transition away from fossil
fuels and to on- and off-shore wind was incentivised
through energy taxes allocated to wind energy
research, feed-in tariffs and carbon taxes (UNFCCC
2023). This type of change requires vision with strong
policy signals, grounded in actionable evidence-based
transition plans.
The Nature Transition X-Curve (Figure 25) illustrates
how transformative change is actioned through
transition pathways (Wittmer et al. 2021; Hebinck et
al. 2022). Achieving nature-positive outcomes requires
phasing out finance for activities that drive the loss of
nature (red line) and phasing in (scaling up) finance
for activities that support nature (green line). Enabling
conditions for the transition include the creation of
actionable knowledge to reshape existing practices
(dark blue line), approaches for engagement and
equity for key stakeholders (light blue line), particularly
IPs and LCs and the development of shared vision
(orange box). Aligning this vision with goals set by
the Rio Conventions (orange box) can help inform the
pathways needed (Wittmer et al. 2021).
Figure 25: The Nature Transition X-Curve ? A framework for the transition to a nature-positive society
Note: Authors? illustration. Building on Loorbach et al. 2017; Wittmer et al. 2021; Hebinck et al. 2022.
Activities with
negative impacts
on nature
Knowledge
Activities with
positive impacts
on nature
Engagement
and equity
Living in harmony with nature
Land degradation neutrality
Limiting global warming
to 1.5° C
Achieving Rio
Convention targets
Vision Scaling up Engagement and equityPhasing out Knowledge
Vision
Human and planetary
well-being based on
investing in nature and
economic activity that
builds resilience
Nature-
positive
outcomes
Nature-
negative
outcomes
49 | UNEP | State of Finance for Nature 2026
Transition planning towards nature-positive
outcomes requires action by government, central
banks and supervisors, financial institutions and
corporates as well as IPs and LCs and local actors.
By using this framework actors at different scales
can develop tailored Nature Transition X-curve
prioritising the leverage points and activities
relevant to them.
Distinctions can be made between short-term
actions that provide the foundation for medium-
term developments, and those that set the stage for
long-term transition. Together they can achieve the
needed transition across sectors. Early initiatives
such as assessing and disclosing nature impacts
and dependencies, promoting nature financing
instruments and pilot projects, may support longer-
term systemic goals. However, incremental change
through transition plans will not be sufficient to
avert the climate, nature or ecosystem degradation
crises affecting so many communities already.
Urgent systemic transformation is critical (IPBES
2019; IPBES 2024a).
5.2 A Nature Transition X-Curve for
policymakers
To illustrate how the Nature Transition X-Curve
can be applied, this section offers an X-curve for
policymakers (Figure 26). To drive the transition
towards nature-positive outcomes, clusters of
leverage points for policymakers are identified.
The leverage points cover different themes such
as governance, laws and policy reform, systemic
coherence and integration, equity rights and
participation.
A selection of leverage points is shown in coloured
boxes along the transition pathways. Red boxes
indicate what should be phased out over time and
the green boxes identify what should be phased in or
scaled up. Knowledge (dark blue), engagement and
equity (light blue) and vision (orange) are essential
enabling conditions. The mapping does not reflect
priority, relevance, effectiveness or sequencing of
implementation, which will depend on local context.
The Technical Annex has a full list of leverage points.
The X-curve can inform the development of strategies
for more sustainable finance action by different
actors. For example, certain departments within
governments and financial institutions may focus
on standards, metrics and data, while others may
focus on instruments, alignment with processes
and capacity building. However, it is critical that
strategies like climate transition plans at national and
corporate level are coherent and create synergies. By
identifying leverage points for transformative change,
policymakers can target actions that form the basis of
a transition plan.
50 | UNEP | State of Finance for Nature 2026
Vision Scaling up Engagement and equityPhasing out Knowledge
Vision
Agree on a goal
and definition for
a nature-positive
economy
Reform subsidies
harmful to nature Support workers and
businesses affected
by the green transition
Mandatory standards for
disclosure of impacts
and dependencies
Fiscal instruments to
disincentivize harmful
environmental
practices
Ensure carbon
markets meet strong
environmental and
social standards
Act on legal and financial
liabilities of investment that
harms climate and nature
Embed NbS in
legal systems
Develop verification
and certification for
nature-related
investments
Increase public
investment in nature
through green budgeting
and procurement
Support
integrated
landscape
initiatives
Use fiscal
incentives to
attract private
capital for nature
Regulation that
rewards sustainable
finance
Foster
public-private
partnerships for
blended finance
and de-risking
Align climate
and biodiversity
agendas
Recognize the
rights of local and
Indigenous
communities
Support developing
countries in designing
sustainable
development pathways
Recognize the
connection between
poverty eradication
and biodiversity
conservation
Improve funds and market
access for women and
marginalized groups
Strengthen local
democracy and
community control
over land use
Design policies to ensure the
participation of women, youth and
smallholder producers in decision
making following GESI principles
Design inclusive trade
policies respecting
indigenous & local rights
and gender (GESI)
Create high-integrity
markets for nature
and NbS
Promote innovative nature
finance like debt-for-nature
swaps, green bonds and
impact funds
Require biodiversity
impact assessments for
investments using
credible,
nature-inclusive
standards
Strengthen
environmental
considerations in
trade rules and
incentives
Embed nature impacts
and dependencies in
monetary policy and
supervision
Mandate finance
institutions to divest
from nature-negative
activities
Create standard metrics and methods to show
benefits of NbS and nature-positive investments
Integrate diverse knowledge systems, including
indigenous, ensuring data sovereignty
Expand financial education for
underserved populations
Adopt
regenerative
views, structures
and practices
Develop sector-specific
nature-positive
transition pathways
and policy frameworks
Mainstream nature
in the global
economic agenda
Nature
positive
outcomes
Nature
negative
outcomes
Living in harmony with nature
Land degradation neutrality
Limiting global warming
to 1.5° C
Achieving Rio
Convention targets
Figure 26: Nature Transition X-Curve for policymakers
Note: Authors? illustration.
51 | UNEP | State of Finance for Nature 2026
5.3 Using the X-curve to inform action
Developing a vision
A whole-of-government approach to climate,
biodiversity and restoration helps to ensure policy
coherence across sectors in phasing out finance
that is negative for nature and promoting finance
with nature-positive outcomes.
Integrating NbS and a vision for a nature-positive
economy into National Biodiversity Strategy and
Action Plans (NBSAPs), Nationally Determined
Contributions (NDCs), Land Degradation Neutrality
(LDN) strategies and other national strategies, e.g.
related to bioeconomy, can provide an opportunity
for creating synergies in implementation and
financing across the Rio Conventions and the SDGs.
In parallel, jurisdictions like China and the EU are
developing legally binding reporting requirements for
corporations and financial institutions (GBF Target 15).
Governments are implementing national accounting
systems integrating nature following guidance from
the System of Environmental Economic Accounting
(SEEA) (GBF Target 14). Understanding human-nature
connectedness should be mainstreamed and an integral
part of education, health, spatial planning, infrastructure
development, communication and art. These actions
have the potential to shift mindsets and paradigms
towards more nature-based principles. Broad-based
adoption of regenerative policies and practices can push
social norms away from consumerism towards more
sustainable lifestyles. It is also important to recognise
and integrate diverse forms of knowledge, worldviews
and values including those of IPs and LCs, many of which
have deep knowledge and relationships with nature.
Governments should support the development of a
global standard on nature. In early 2024, the International
Sustainability Standards Board (ISSB) decided to initiate
work on nature-related issues and recently announced
that it will draw on the recommendations of the TNFD.
Following the release of the International Financial
Reporting Standards (IFRS) S1 standard on sustainability
and the IFRS S2 standard on climate-related disclosures,
a third standard on nature would help to establish a
global baseline on nature reporting. There is growing
support ? 77 per cent of investors would like to see a
nature standard (TNFD 2025).
Phasing out nature-negative finance
If policymakers repurpose harmful subsidies
and eliminate incentives for nature?negative
activities, they can help enable incentives
for nature-positive outcomes and support
workers and businesses in affected sectors.
This includes re-training, dedicated credit lines,
transition assistance and alleviation measures
to promote a just transition (UNDP 2024).
Biodiversity should be embedded in central bank
and financial supervisory mandates to mainstream
nature into supervisory frameworks and monetary
policies. Metrics on biodiversity impacts and
dependencies could become part of portfolio
management and drive financial sector alignment.
This includes requiring all large companies and
financial institutions to systematically assess,
monitor and publicly disclose their nature-related
risks, impacts, dependencies and opportunities
(DIRO) by enacting binding disclosure laws and
harmonising standards (e.g. TNFD, CSRD and ISSB).
Public and private finance can work against
each other when providing conflicting
incentives. Nature-positive outcomes should
be mainstreamed, and policy coherence
prioritised across ministries including ministries
of finance (German Development Cooperation
2025). Improving collaboration and governance
frameworks for the protection and management
of shared and transboundary natural resources
is critical for ensuring sound ecosystem
management. Mainstreaming of nature across
the global economic agenda can help identify and
phase out nature-negative finance, supported
by Key Performance Indicators (KPIs) to align
governments, businesses and financial institutions
with Rio targets (Mirzabaev et al. 2023).
Embedding gender and social equality in
disclosure laws and standards will enhance
inclusive, effective and sustainable outcomes.
Such information can guide investors in decision
making on divesting from assets related to nature-
negative impacts or engaging with clients to
promote climate and nature transitions (Finance
for Biodiversity Foundation [FfBF] 2022). This
can be facilitated by embedding NbS into legal
52 | UNEP | State of Finance for Nature 2026
systems and incentives that promote nature-positive
finance flows such as taxonomies and standards
defining criteria for investment in NbS, criteria
defining nature-negative finance and establishing
?do no harm? guidance.
Governments, finance and business need to take
account of the growing legal and financial liabilities
associated with investments that harm the climate
and nature. The recent International Court of Justice
(ICJ) Advisory Opinion affirms States can be held
internationally responsible for failing to meet their
obligations to prevent and address climate change.
As part of due diligence, governments should regulate
private actors, including financial institutions, whose
investments may contribute to nature and climate-
destructive activities (König-Sykorova et al. 2025).
Box 2: Finance sector roadmap
A finance sector roadmap has been developed
to guide how the global financial system should
respond to and align with the GBF. This strategic
framework outlines the critical role financial
institutions must play in supporting biodiversity
conservation and sustainable development
goals. A detailed report card was released
at CBD COP16, providing an assessment of
progress and identifying key areas where the
financial sector needs to accelerate biodiversity-
related initiatives (CBD 2025). Another report will
be presented at COP17 in Armenia in 2026. This
report will feature actions and implementation
strategies for financial institutions to further
integrate biodiversity considerations into their
operations and investment decisions.
Scaling finance for nature-positive outcomes
By prioritising efforts to catalyse and unlock
private capital for NbS and nature, policymakers
play a key role in promoting sectoral strategies,
supporting green-finance instruments, such as
biodiversity-linked bonds and blended public-
private finance.
Governments can introduce regulations and
fiscal incentives that reward early adopters of
sustainable finance models and foster public-private
partnerships to de-risk nature-positive investments.
Governments can also support innovative economic
instruments including insurance products that
integrate nature-related risks and opportunities,
debt-for-nature swaps, biodiversity-focused green
bonds, impact funds, seed-funding for nature-
positive businesses, microcredits, digital services
and other experimental pilots that can catalyse
new markets (BIOFIN 2025). To ensure credibility
and additionality, governments must support
development of standard metrics, baselines and
methods for measuring the benefits of NbS for
robust verification and certification.
Scaling up NbS requires demonstrating their
economic value and integrating them into public
finance and development strategies.
NbS investment can be scaled by showcasing their
cost effectiveness and ability to generate revenues
(Economics of Land Degradation [ELD] 2013; Verdone
et al. 2017; Thomas et al. 2024). For example,
integrating NbS into green-grey infrastructure not
only enhances public benefits from nature (e.g.
flood control, urban cooling and recreation) but
also reduces costs (e.g. in stormwater treatment,
provision of clean drinking water, avoided healthcare
costs), making NbS an economically attractive option
(European Investment Bank 2023). Governments can
increase public investment in nature through ?green
budgeting? and ?green public procurement? and scale
concessional finance, including preferential agricultural
credit/loans. Creating national and global funding
mechanisms that promote NbS can support the SDGs
(Cumming et al. 2017).
Greening public finance can also ?nature proof?
ODF. Mainstreaming nature into the global economic
agenda by establishing requirements for national and
international finance institutions to remove nature-
negative lending and addressing sovereign debt
challenges that hinder investment in nature can help
phasing out nature-negative finance and support more
coherent finance strategies for nature. Ensuring that
53 | UNEP | State of Finance for Nature 2026
NbS are integrated in ODF and development funds
(e.g. Global Environment Facility) supports alignment
of finance with Rio targets. Establishing science-
based metrics and baselines for monitoring and
verifying impacts of investment is critical to ensure
credibility, create trust and avoid greenwashing.
Box 3: Scaling revenue for nature
While much of the discourse on domestic NbS
and nature finance focuses on spending, the
sustainability and sufficiency of government
revenues is equally important. This is critical in
developing economies, where tax-to-GDP ratios
are low and fiscal space is constrained. Tax
revenue generated by increased economic activity
associated with NbS can strengthen the business
case for public actors (Triodos 2025). Growing
opportunities lie in carbon and biodiversity
pricing instruments, including emissions trading
systems (ETS) and carbon taxes. In 2023, income
generated through regulated sources under ETS
reached US$240 billion (International Carbon
Action Partnership [ICAP] 2024; World Bank 2024).
In parallel, government revenues from carbon
taxes, currently applied to just under five per cent
of global emissions, rose from US$25 billion in
2020 to US$33 billion in 2024. Around 52 per cent
of carbon revenues (US$47 billion) have been used
for climate and nature, with half of jurisdictions
dedicating all or part of revenues to this aim
(Institute for Climate Economics [I4CE] 2024).
Revenue generated from biodiversity-related
taxes were roughly US$10.9 billion (mean average
2020?2022), with 92 per cent in OECD countries.
This represents only 0.06 per cent of global tax
revenue (OECD 2024a). Strengthening domestic
revenue mobilisation through progressive
taxation, subsidy reform and the integration of
natural capital accounting is vital to align public
budgets with biodiversity targets in national
development plans and global frameworks, such
as the GBF. The Revenues for Nature Guidebook
(Green Finance Institute 2025) series details
several models that governments can apply or
support to increase nature-related revenues.
To unlock private sector investment in NbS,
public policy can create the right incentives,
reduce risks and support viable markets that
reflect the full value of nature as well as push
forward regulatory reform where needed.
Many ecosystem services are public goods and
provide multiple benefits that may not have direct
private financial returns but do support resilience
(e.g. in supply chains) which can generate cost
savings and mitigate financial losses. Fiscal and
policy instruments (e.g. through fiscal transfers)
can provide market signals that account for the
many benefits provided by nature and to catalyse
private investment in NbS. Public finance can play
an important role to mobilise private sector finance
for NbS by co-financing and de-risking investment
through blended public-private finance solutions,
green bonds, insurance schemes, debt-for-nature
swaps and others (UNDP BIOFIN et al. 2024)
Multilateral Development Banks (MDBs) can
play an important role in enabling public-private
partnerships and blended finance schemes (OECD
2025d). Engagement of public and private financial
institutions is critical. This includes scaling
concessional finance providing more favourable
conditions for investment in NbS or insurance
products that use NbS to build resilience and de-risk
insurance schemes (UNDP BIOFIN et al. 2024).
Policymakers play a critical role in exploring
and incentivising opportunities to expand the
implementation of nature-based solutions
across the real economy.
NbS are being implemented to construct wetlands
around cities to avoid flooding whilst delivering
a consistent water supply. Green urban spaces
reduce ?heat island effects? during summer months
plagued by increasing heatwaves. In utilities,
energy transmission lines can create corridors for
wildlife, and offshore windfarms can be retrofitted
to create net-positive reefs for marine biodiversity.
Self-healing concrete using bacteria to prolong the
life of buildings is emerging as a new cost saving
measure, whilst in apparel, mushrooms can be
grown to deliver vegetable-based leather for shoes
54 | UNEP | State of Finance for Nature 2026
or handbags. The Little Book of Nature Business
sets out an ?investment opportunity framework for
nature? that offers over 100 case studies of scalable
opportunities in business today (Little Book of
Nature Business 2025). The TNFD provides more
limited guidance and use cases on several nature
opportunities (TNFD 2023b).
If market-based approaches for NbS, such as
carbon and biodiversity markets, follow robust
environmental and social standards, they can
contribute meaningfully to scale up investment in
nature-positive outcomes, including safeguarding
integrity and equity. Seed funding for nature-
positive businesses can help to promote innovative
approaches and experimental spaces for, for
example, enterprises that use nature as a core
element of their products and/or services e.g.
regenerative agroforestry.
Engagement and equity for rights-holders
NbS are most effective when they arelocally
grounded, inclusive and equitable.
Promoting local leadership in the design
and implementation of NbS ensures that
interventions are context-specific and responsive
to local ecological, cultural and social dynamics.
Gender and social equalityare critical dimensions
of inclusivity. Local stakeholders, particularly IPs
and LCs, hold key rights over land and resources
and should lead (or at minimum be engaged
fully and supported to participate) in the design
and implementation of NbS. This includes free,
prior informed consent (FPIC) of IPs and LCs and
protecting land and access rights when investing in
nature as well as integrating customary knowledge
and worldviews into the design of NbS and related
finance mechanisms. Ensuring equity among actors
requires participatory processes fostering inclusion
and co-design, enabling actors to assert their rights
and determine their futures. Transforming to a nature-
positive economy requires creating fair and equitable
models of working with nature including benefit
sharing of nature assets and financial returns, valuing
equally nature and social outcomes. Transformative
knowledge and the equity of local actors is key for
designing and financing nature transition plans.
Policymakers should work to reduce power
inequalities between actors including those
negatively impacting women to ensure that
finance flows into nature-positive activities
while supporting a just transition.
This can be done by using participatory processes,
including co-creation, co-monitoring, co-evaluation
and citizen science in the process of developing
and implementing NbS (IISD 2024). Recognising
the connection between poverty eradication and
biodiversity conservation is important as many
people depend on ecosystems for their livelihood
(UNEP FI 2023). This can include promoting financial
education programmes for underserved populations
and creating better access to funds and markets by
women and marginalised groups (Rubio et al. 2021).
Protection for environmental defenders/activists and
supporting students to become ecological leaders
can promote ownership and the long-term success
of NbS. Governance structures at international
financial institutions could be revised to empower
nature-rich countries in financial decision making,
including more inclusive trade policies that respect
ambitious environmental standards.
Knowledge
Enhancing data and knowledge systems,
including tools and indicators to track progress,
enables policymakers to foster investment
aligned with nature-positive outcomes.
Ensuring accessibility and coherence of data allows
investors, regulators and communities to make
informed decisions. Enhancing access to open-
source, location-specific measurement tools that help
quantify impacts and dependencies on ecosystems
can complement existing sector-specific assessment
tools like ENCORE (2025). Accounting for the multiple
benefits from ecosystem services should become an
integral part of assessing the costs and benefits of
investments, for example, as part of environmental
impact assessments (e.g. infrastructure
development), regulatory impact assessments (e.g.
the effects of laws and regulations such as subsidies)
and budget decisions (e.g. public procurement).
Establishing standards for impact accounting to
estimate the costs of ecosystem service loss and the
55 | UNEP | State of Finance for Nature 2026
benefits from restoration can support more informed
investment decisions (VBA 2025).
However, not all benefits can be adequately expressed
in monetary terms as nature provides multiple
values and preferences, and priorities differ among
stakeholder groups. Hence, such approaches should
recognise multiple forms of knowledge, worldviews
and values, including those of IPs and LCs. Recognising
the benefits of nature including its contributions to
human health as well as the rights of nature is
integral to achieving more positive outcomes for
people and nature. Furthermore, by exploring
the role of emerging technologies (e.g. using
blockchain and artificial intelligence (AI) for supply-
chain transparency and traceability) governments
can support the generation of high-quality data,
which can create transparency and trust and drive
investments toward more NbS with multiple public
and private benefits.
BOX 4: State of Finance for Nature in Colombia
Colombia is one of the world?s most biodiverse countries, home to nearly 10 per cent of known species
across ecosystems that span two oceans, the Amazon rainforest, deserts and the Andes. This richness
offers potential for eco-tourism, sustainable agriculture and a bioeconomy which can drive inclusive
growth and resilience. However, the country has experienced alarming rates of deforestation even within
protected areas, losing over three million hectares of forest in the past two decades, driven by agriculture,
illegal activities and infrastructure development. This trend risks neutralising the forest carbon sink in the
Amazon (Flores et al. 2024), undermining ecosystem services vital for communities, while climate change
is intensifying floods and droughts.
NbS present a range of direct and enabling activities to mitigate biodiversity loss, climate risks and
deforestation, while supporting rural and indigenous livelihoods and advancing the transition to a nature-
positive society. There is a strong case to harness the potential of NbS as cost-effective solutions in
Colombia, further strengthened by synergies across climate, biodiversity and avoided land degradation. In
2023, around half of all ODF targeting NbS received by Colombia delivered against all three Rio Conventions.
NbS finance flows to protected areas, blue-green infrastructure, wetland and landscape restoration,
climate-smart agriculture and integrated land and water management. Public domestic expenditure on
NbS in Colombia grew from US$1.2 billion in 2022 to US$1.5 billion in 2023. Biodiversity expenditure
averaged US$0.54 billion annually between 2010 and 2020, far below the US$900 million recommended
(0.3 per cent of GDP) to achieve Rio targets.
Agriculture and forestry companies contribute substantially to private NbS finance with US$0.5 billion annually
invested in sustainable commodity sourcing and production. Private sector engagement is expanding, with
over US$1.2 billion in green bonds issued in 2023, alongside biodiversity credits, PES schemes and carbon tax
revenues exceeding US$0.6 billion ? mostly linked to forestry and REDD+ initiatives.
To strengthen Colombia?s policies, an integrated approach to support the transformation can potentially
improve the investment environment without negative social consequences. The transformative change
framework in Table 4 is clustered around five building blocks.
Colombia?s path to a nature-positive economy depends on systemic change. By aligning finance with
ecological priorities, strengthening governance tools like the green taxonomy and redirecting harmful
subsidies, Colombia can accelerate conservation and restoration action. Empowering IPs and LCs as
co-implementers ensures legitimacy and long-term stewardship, while innovative blended finance can
unlock the scale of investment required.
56 | UNEP | State of Finance for Nature 2026
Table 4: Transformative change framework for policymakers in Colombia
Current status Identified leverage points
Vision: Colombia has adopted a rights-based
and biocentric approach, embedding nature into
governance and peacebuilding, aiming for a nature-
positive society by reversing biodiversity loss by 2030.
National policies?including Territorial Integrated
Climate Change Management Plans, the 2020 National
Bioeconomy Strategy, the Biodiversity Action Plan
2024?2030 and the Green Growth Program?support
green jobs and bioeconomy growth through fostering
sustainable sectors.
? Secure legal and economic rights for IPs as NbS
co-implementers
? Embed NbS targets in long-term strategies like the
Bioeconomy Strategy, updated NDCs and NBSAPs
Scaling NbS finance: Investments in NbS are growing
through innovative financing, PES, biodiversity credits
and green bonds, though alignment and scale remain
limited.
? Set clear policies and incentives
? Tailor NbS to local ecosystems
? Scale investment through incentives, sustainable
debt products and blended public?private finance
? Support nascent nature markets, e.g. biodiversity
credits
Phasing out nature negative: Public EHS (US$7.5
billion for fossil fuel, US$2.5 billion to agriculture) and
private nature-negative investments (US$9.7 billion)
outweigh finance to NbS. This undermines progress
but offers opportunities to re-direct these flows and
unlock cost-effective alternatives.
? Repurpose fossil fuel subsidies
? Integrate NbS into climate policy and channel
climate finance to ecosystem restoration for
carbon removal
? Require business and financial institutions to
assess and disclose nature-related financial risks
and dependencies
Knowledge: The Green Taxonomy provides a
foundation for classifying sustainable activities, but
NbS need stronger metrics, registries and transparency
mechanisms. Technical expertise and standardised
tools are key for scaling investments.
? Expand the Green Taxonomy to prioritise NbS
projects
? Create a centralised NbS registry
? Develop national metrics and expand training and
technical assistance to local actors
Engagement and equity for rights-holders: IPs and
LCs manage vast areas and are central to NbS through
defence of nature, stewardship, traditional and local
knowledge. Supporting local leadership ensures
legitimacy, ownership and sustainability of NbS
projects.
? Recognise and enforce the rights of IPs and LCs
and nature
? Build capacities, increase engagement and ensure
equity for IPs and rural communities
? Establish collaborative models for NbS design,
implementation and monitoring
57 | UNEP | State of Finance for Nature 2026
BOX 5: State of Finance for Nature in ASEAN
Finance flows for NbS in ASEAN need to increase seven-fold to reach Rio Conventions targets by 2030
(Figure 27). An SFN study in ASEAN provides an overview of current finance for NbS and nature-negative
finance flows and suggests how to get the wheel turning to close the NbS investment gap. Over the past
decade, ASEAN3 countries have made significant progress in integrating NbS into national development
priorities, leveraging regional cooperation and mobilising public and private investment for environmental
sustainability. Several ASEAN Member States (AMS) have embedded NbS in climate, biodiversity and
land degradation neutrality strategies, launched pilot projects that demonstrate real impact and enhanced
institutional frameworks to catalyse finance for nature. These efforts reflect a growing recognition across the
region that investing in nature is not only essential for ecological resilience but also offers significant socio-
economic benefits.
Figure 27: Current NbS finance flows, NbS investment needs and nature negative finance in ASEAN
Source: ASEAN SFN Regional Report (forthcoming). Values are in US$ billion 2024 prices.
Despite growing NbS finance ? the NbS investment gap remains substantial:
? Public domestic NbS expenditure increased by seven per cent to US$4.8 billion from 2022 to 2023.
? Private NbS finance reached US$2.6 billion in 2023 via market-based and results-based mechanisms.
? Finance flows harmful to nature are estimated at US$320 billion in 2023.
? NbS investment needed to reach Rio targets by 2030 is projected at US$54 billion annually. Current NbS
finance flows need to increase seven-fold to close the investment gap.
3 ASEAN aims to accelerate the economic growth, social progress, and cultural development in the region through joint endeavours in the spirit of equality
and partnership. https://asean.org/what-we-do/. The Association of Southeast Asian Nations (ASEAN) was established in 1967 and has 10 Member States
-Brunei Darussalam, Cambodia, Indonesia, Lao PDR, Malaysia, Myanmar, Philippines, Singapore, Thailand and Vietnam.
US$320 bn
US$8 bn
US$54 bn
US$49 bn
37 32
5
8
Protection
Restoration
Sustainable land management
Additional
NbS finance from
public and private
sources
2 4
in nature-negative
activities
Current flows
to nature-based
solutions
Investment needed to
achieve Rio targets
155 bn public
165 bn private
2030 205020232023
x7
Repurposing nature-negative activities toward
nature-positive investments would significantly
narrow the funding gap in ASEAN
58 | UNEP | State of Finance for Nature 2026
Leverage points for transformative change in ASEAN
Vision
ASEAN?s commitment to sustainable development and ecosystem resilience is reflected in its biodiversity
and climate frameworks. There are signs of a regional consensus on the importance of nature-positive
development. To scale up, this vision must be consolidated across economic, sociocultural and
environmental pillars and anchored in investment, trade and financial strategies. The ASEAN taxonomy for
sustainable finance represents a crucial step in this direction.
Scaling up finance for nature-based solutions
ASEAN is engaging in multiple efforts to expand finance for NbS, e.g. the ASEAN Climate Finance Access
and Mobilization Strategy, the ASEAN Green Initiative and ASEAN Guidelines on Nature-Based Solutions. The
leverage points below offer sector-specific policy measures that can support the formulation of national and
regional policies.
? Developing policy and institutional frameworks for mainstreaming NbS;
? Enabling private investment in sustainable forestry through nature-related risk assessment and
monitoring;
? Leveraging high-integrity carbon markets to channel finance into NbS;
? Scaling up financing via payments for ecosystem services schemes;
? Bridging data and knowledge gaps on NbS by harnessing existing knowledge platforms;
? Scaling market demand for NbS through sustainable public procurement; and
? Mobilising private capital for NbS in agriculture through de-risking instruments.
Phasing out nature-negative
The ASEAN Joint Statement on Climate Change to COP29 (2024) calls for stronger coherence across public
policy, sustainable finance taxonomies and disaster risk financing ? a platform from which EHS reform efforts
can gain political traction. Clear definitions, impact screening and regional cooperation mechanisms (e.g.
through the ASEAN Disaster Resilience Platform) can support the reallocation of subsidies and investment
toward more regenerative sectors. The ASEAN Taxonomy for Sustainable Finance offers already guidance.
The ASEAN SFN presents the repurposing of environmentally harmful subsidies through time-bound transition
plans as a key leverage point for phasing out nature-negative finance.
Engagement and equity
Equity, engagement and empowering stakeholders are essential to drive the nature-positive transition.
ASEAN?s frameworks recognise this through the promotion of social forestry, community-based natural
resource management and inclusive urban adaptation strategies across NDCs, NBSAPs and LDNs. However,
access to finance, technical support and decision-making power remains uneven. Regional efforts, such as
the ASEAN Socio-Cultural Community Blueprint and the ASEAN Working Group on Climate Change Action
Plan, should be used to enhance capacity-building and equitable access to nature-positive finance. This
includes supporting IPs and LCs, SMEs and local governments through targeted financing mechanisms,
inclusive governance models and fair benefit-sharing arrangements.
Knowledge
Knowledge gaps and data limitations on private finance flows, biodiversity outcomes and ecosystem
service values hinder scaling up NbS finance. Data gaps must be closed and systematically integrated
in national and regional databases. Standardised frameworks and regional cooperation on monitoring
systems can enable transparent, harmonised tracking of nature-related financial flows. Additional potential
lies in expanding knowledge platforms and regional dialogues to share experiences, harmonise methods
and promote innovation.
59 | UNEP | State of Finance for Nature 2026
5.4 Concluding reflections
What kind of society do we want to live in? The
GBF challenges governments to make a choice
between a business-as-usual economic trajectory
towards breaching all nine planetary boundaries, a
climate that is even hotter than today and oceans
with more plastic than fish, undermining the
stability of the global economy and the financial
system. Or a more sustainable, climate resilient and
nature-positive society, where NbS are integrated
across economic sectors, from real estate and
infrastructure to manufacturing and agriculture.
Some opportunities include:
Opportunities in cities. The choice is between
cities that are concrete jungles, unable to release
heat absorbed from the warming climate or cities
that adapt and integrate green infrastructure such as
parks and wetlands for recreation, cooling and flood
control while delivering human well-being, liveability
and productivity.
Opportunities in food systems. Industrialised
agri-food systems, where soils are exhausted and
dependent on chemical inputs, are in a race to the
bottom where environmental costs are externalised
to society and profits are concentrated in a few big
businesses. The alternative is agri-food systems
that transition to regenerative practices, improving
soil health, deploying integrated systems (including
agroforestry) to optimise diversity, yields, livelihoods
and nutrition with improved ecological conditions.
Opportunities in infrastructure. Governments
can continue to encourage grey infrastructure that
is increasingly vulnerable to weather extremes
and takes little account of impacts on nature.
Alternatively, governments can use NbS as
infrastructure, for example, oyster reefs to clean
polluted port water, wetlands as cost effective
filtration systems for municipal water utilities and
nature-based self-healing building concrete to
reduce maintenance costs of roads.
The ?Big Nature Turnaround?. The goal is to re-
direct the US$7.3 trillion contributing to nature-
negative outcomes and to re-purpose it to deliver
nature-positive outcomes. The Nature Transition
X-Curve suggests how this can be done. The
evidence and analysis of NbS finance allows society
to track how it is doing in relation to the goals set out
by the Rio Conventions. We encourage readers to use
the findings to visualise what a more climate resilient
and nature-positive society looks like and how it can
become a reality.
Investing in nature. We should not look at investing
in nature as a ?nice to have? or something that is
disconnected from the economy. The only way
to meaningfully increase investment into NbS
and to reduce nature-negative capital flows is by
embedding a nature-positive approach into every
aspect of our lives, in every sector across the
economy, so that it becomes a central theme of
government expenditure and in investment decisions
of financial institutions and businesses. We hope
this report will support more informed lending and
investment decisions. In the end, the prosperity of
the economy and the stability of the financial system
depends on intact nature (NGFS 2022).
60 | UNEP | State of Finance for Nature 2026
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61 | UNEP | State of Finance for Nature 2026
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71 | UNEP | State of Finance for Nature 2026
Technical Annex
Nature-negative finance
Table A1: Public nature-negative finance: Environmentally Harmful Subsidies (EHS)
Source dataset(s): IISD-OECD fossil fuel subsidy tracker (IISD-OECD 2025), OECD Estimate of Support to Agriculture
(OECD 2024a), EarthTrack (2022; 2024).
Approach: A literature review identified sources of subsidies targeting agriculture and fossil fuels. Annual estimates
for country-level fossil fuel subsidies are from Fossil Fuel Subsidy Tracker (IISD-OECD 2025) that covers 192
countries. Agricultural EHS estimates are derived from annual Estimates of Support to Agriculture (OECD 2024a) and
are calculated as the ?most distorting support?, which is the sum of positive market price support, output subsidies
and input subsidies which allow unconstrained use of variable inputs. Positive market price support encourages
overproduction by raising the price of output above the market price, while subsidies which do not constrain the use of
inputs have harmful impacts on nature (OECD 2024b). Estimates on water, transport, forestry, construction, fisheries,
non- energy mining and plastics are from EarthTrack (2022; 2024) and adjusted for constant 2024 US$ prices. For
these categories, 2019 to 2021 constant values are assumed to be the 2022 estimate, where available, or 2023 value
otherwise.
There are significant data gaps, particularly at sectoral and sub-industry level, and for mining, manufacturing and
infrastructure sectors in emerging and developing economies. Moreover, the size of a subsidy may not reliably indicate
the scale of its harmful impact, as even small subsidies can have substantial environmental damage depending on
local ecological conditions (Biodiversity Finance Initiative [BIOFIN] 2024b). Causal links between subsidies and nature
degradation are further obscured by limited spatial biodiversity data and a lack of standardised tracking, underscoring
the urgent need for better data and methodologies (IMF 2024).
Improved data sources: Data on EHS used in SFN 2026 is improved. IISD fossil fuel subsidy tracker covers 192
countries compared to 41 countries in IEA data used in SFN 2023. For agriculture, the OECD method to estimate the
most distorting support is replicable and traceable to source data. Additional subsidy types are included: mining and
quarrying, plastics manufacturing and construction.
Changes due to methodological upgrade: Both SFN 2023 and the current edition extract estimates of EHS from
literature instead of applying scaling factors. Due to improved data and the inclusion of additional subsidy types,
estimates of EHS have increased.
Units, data granularity, notes: Units are in real billion 2024 US$ prices. Data for fossil fuel and agri-subsidies is
available at the country level. Other subsidy types are only available on the regional/global level, and partly available on
annually from 2014 to 2023.
72 | UNEP | State of Finance for Nature 2026
Table A2: Private nature-negative finance
Source dataset(s): Refinitiv/LSEG (2025), including private capital investments via loans, equity and bonds; ENCORE
pressure materiality ratings (2024).
Approach: The updated methodology aims to identify and quantify private finance flows that contribute to nature
degradation, i.e. nature-negative finance flows. Building on the SFN 2023 framework, this analysis leverages ENCORE?s
materiality assessments of direct nature-negative impacts and links economic activity classifications (presented in ISIC
classification) to private finance datasets using LSEG/Refinitiv. This mapping of ISIC to Refinitiv makes it possible to
quantify finance flows that exert direct pressure on ecosystem services.
Mapping economic activities to pressures (nature negative): The ENCORE framework provides the basis for assessing
how economic activities potentially impact ecosystem components, which provide ecosystem services. ENCORE assigns
pressure materiality ratings to pressures resulting from a wide range of economic activities. These pressures can result in
impacts on ecosystem components, which underpin ecosystem services. ENCORE uses a five-point scale for materiality
ratings: Very High (VH), High (H), Medium (M), Low (L) and Very Low (VL). Pressure materiality ratings are location-
agnostic and differ only by economic activities. Pressures in the ENCORE tool include a range of environmental impacts
such as land and water use, emissions to air, water and soil, resource extraction, pollution and disturbances like noise and
light.
In this report, an activity is classified as nature negative if it is assigned a high and/or very high materiality rating (H, VH)
for any of the 13 pressures, as identified in ENCORE. For example, industries with activities rated as ?high? for one type of
pressure (e.g. land use, soil and water pollution) are considered as nature negative following an attribution scheme.
Use of ENCORE update: SFN 2026 utilises the update of the ENCORE tool (October 2024), which introduces the ISIC
Revision 4 sectoral classification framework at the class/group level instead of TRBC production processes. A production
process is no longer allocated to multiple different industries, but rather each economic activity is analysed individually.
This allows more accurate identification and measurement of pressure links on natural capital and avoids overestimation
of nature-negative finance flows.
Improved methodology: This report uses an improved methodology based on nature-negative attribution matrix which
assigns nature-negative shares to economic activities based on their materiality profiles. This tiered system links the
number of pressure materiality ratings and their magnitude (VL vs. VH) to estimated nature-negative shares.. Activities
that exert more severe and direct pressure on ecosystem services are assigned with higher negative attribution shares.
Economic activities with at least 5 High (H) or one Very High (VH) pressure are assigned with a 90 per cent negative
attribution. Similarly, the matrix assigns activities with 2 or more High (H) pressures with 60 per cent and activities with
1 High (H) pressure with 30 per cent. This graduated scale avoids binary classifications and enables a proportional
assessment of harm. Activities marked with Very Low (VL), Low (L) or Medium (M) pressures receive a zero per cent
attribution, reflecting minimal contribution to nature degradation.
While thresholds are not empirically derived, they are anchored in ecological reasoning. Multiple high-pressure
dependencies are more likely to result in significant degradation of ecosystems if left unmitigated. The use of a 90 per
cent attribution for 5H or 1VH assumes strong systemic pressure on ecosystems from such activities, consistent with
conservation science that emphasises the compounding impact of multiple high stressors. Similarly, assigning 60 per
cent to 2H or more, and 30 per cent to 1H introduces a more refined scale. No weighting was applied to the 13 materiality
pressures so materiality pressures with the same rating were assumed to have the same direct impact on ecosystems.
Robustness and calibration: A comparison between derived shares for SFN 2026 and SFN 2023 reveals broadly
consistent patterns in the concentration of nature-negative activities across key sectors, particularly in resource-intensive
industries. To ensure consistency, the attribution shares were calibrated to produce estimates of nature-negative finance
flows that were aligned with SFN 2023. SFN 2023 estimated US$5 trillion in global private finance flows in 2022 were
associated with nature-negative activities. Using the same ENCORE materiality logic and sectoral classifications, this
methodology replicates that magnitude within a reasonable margin of variation.
Units, data granularity, notes: Units are expressed in real trillion US$ 2024 prices. The year of comparison is 2023, but
values for 2024 are reported in the text.
73 | UNEP | State of Finance for Nature 2026
Table A3: Nature-related pressures (impact drivers) and examples
Pressure Definition, including examples
Area of freshwater use
Freshwater area is used for the activity, including wetland, ponds, lakes, streams, rivers
or peatland necessary to provide ecosystem services such as water purification.
Area of land use Land area is used for the activity, including agriculture or forest plantation.
Area of seabed use Seabed area is used for the activity, including aquaculture or seabed mining.
Disturbances (e.g. noise,
light)
Activity produces noise or light pollution that has potential to harm organisms.
Emissions of GHG
Activity emits GHG, incl. CO2, methane (CH4), nitrous oxide (N2O), hydrofluorocarbons
(HFCs) and perfluorocarbons (PFCs).
Emissions of non-GHG air
pollutants
Activity emits non-GHG air pollutants, including mono-nitrogen oxides (NOx) and Sulphur
dioxide (SO2).
Emissions of nutrient
pollutants to water and soil
Activity emits nutrient pollutants that can lead to eutrophication, including nitrates and
phosphates discharged to receiving water body.
Emissions of toxic pollutants
to water and soil
Activity emits toxic pollutants that can directly harm organisms and the environment,
including toxic substances such as heavy metals and chemicals.
Generation and release of
solid waste
Activity generates and releases solid waste.
Introduction of invasive
species
Activity directly introduces invasive species into areas of operation.
Other abiotic resource
extraction
Activity extracts abiotic resources. Examples include volume of mineral extracted.
Other biotic resource
extraction (e.g. fish, timber)
Activity extracts biotic resources including fish and timber.
Volume of water use Water is used for the activity. including groundwater or surface water consumed.
Note: Authors? illustration based on ENCORE (2025)
Comparing SFN 2023 and SFN 2026 approaches:
A comparison between the sectoral breakdown of
SFN 2023 and SFN 2026 indicates a consistent
distribution of nature-negative private finance. While
the absolute figures differ due to updated data
coverage, methodology and inflation-adjusted values,
the top sectors contributing to nature degradation
remain broadly unchanged. In SFN 2023, industrials
led the ranking with US$1.4 trillion, followed by utilities
(US$589 billion). Notably, utilities in SFN 2026 jumped
to the top position due to increased investment in
conventional infrastructure and electricity generation.
Coal- or gas-fired power plants exert very high
pressures on land, water and air quality, making the
sector a major contributor to ecosystem degradation
under ENCORE?s materiality criteria.
These results confirm that, despite minor shifts
in rankings, the underlying pattern of ecological
pressure from capital allocation remains persistent.
The cross-year alignment between SFN 2023 and
SFN 2026 enhances the credibility of the new
methodology and suggests that targeted financial
and policy interventions in the top four sectors are
likely to yield the most significant biodiversity and
nature-related benefits.
74 | UNEP | State of Finance for Nature 2026
Table A4: Nature-negative finance attribution matrix
Pressure
Materiality
ratings
Attributed
nature-negative
share
# of Economic
activities (rated
by ENCORE)
using ISIC
Example Example
Pressure
# of business
activities (used
in Refinitiv) in
TRBC
5H or more; 1VH
or more
90% 69
Extraction of
crude petroleum
VH: Area of
seabed use;
Toxic soil water
pollution ?
181
2H or more 60% 12
Manufacture of
tobacco products
H: Nutrient Soil
Water Pollution ?
46
1 H 30% 32
Manufacture of
plastics
H: Non GHG Air
Pollution
92
VL, L, M 0% 158
Spinning, weaving
and finishing of
textiles
- 575
Total - 271 - - 895
Note: 13 pressures are identified. There is no weighting applied, each materiality pressure is treated equally. There is no academic literature
(to our knowledge) that goes a similar route in identifying finance flows to nature negative using ENCORE.
The portfolio of private capital investment analysed
covers US$20 trillion per year between 2020 and
2024. Finance flows in Refinitiv/LSEG are classified
using the ?The Refinitiv Business Classification?
(TRBC) framework. In total, the dataset covers 895
business activities, which were mapped individually
to the most approximate ISIC groups (economic
activity). ENCORE pressure materiality ratings are
available for 271 economic activities (ISIC groups or
classes) that have been mapped against 895 TRBC
business activities. After each transaction (out of
the US$20 trillion private capital investments) is
assigned a negative share, the model aggregates
the attributed values at the sector level. The result
is a composite view of which sectors are driving
the largest share of nature-negative finance based
on the distribution of economic activities and their
ecological pressure intensity.
Robustness and sensitivity testing: To assess
the sensitivity of results to the assumptions in
the attribution matrix, a robustness check was
conducted using Monte Carlo simulation. This
involved randomly varying nature-negative share
attributed to each activity within a pre-defined
range and recalculating nature-negative shares
across many iterations. The resulting distribution
allows to observe the distribution of nature-negative
flows around the attribution shares and test
whether observed patterns hold under alternative
attribution scenarios. Results indicate that the
mean of simulated values is very close to the
estimated values, with the distribution of simulated
values corresponding well to the pre-defined range
of estimated values (Figure A1). This suggests
that estimated values are not highly sensitive to
moderate changes in the attribution share, and the
weights are reasonably well-calibrated.
75 | UNEP | State of Finance for Nature 2026
Figure A1: Boxplot of Monte Carlo simulated private nature-negative flows
Note: Authors? calculations. The lower and upper whiskers of boxes represent the minimum and maximum values of nature-negative finance
in each simulation. The middle line represents the mean value of nature-negative finance for a given year.
Public finance to nature-based solutions
Table A5: Public finance: COFOG to nature-based solutions
Source dataset(s): OECD (Annual government expenditure by budget function), IMF (Government Finance Statistics),
FAOSTAT (Government Expenditure), US Government Spending Explorer, National Bureau of Statistics of China.
Approach: Expenditure on five government budget functions provides the basis for domestic public NbS finance
estimates: sustainable agriculture, forestry, fishing and hunting; environmental policy and other; pollution abatement;
biodiversity and landscape protection; and wastewater management. Scaling factors from SFN 2023 are applied to
estimate the proportion of public domestic expenditure by budget function that can be considered NbS finance.
Added value in SFN 2026: SFN 2026 provides estimates for 2023 and updated estimates for previous years based on
retroactive corrections and updates in data sources). New values in the dataset include annual NbS estimates for Brazil
(IMF Government Finance Statistics) and Indonesia (FAOSTAT Government Expenditure).
Units and granularity: Estimates are in real billion US$ 2024 prices. The budget function ?environmental protection not
elsewhere classified (n.e.c.)? is renamed to ?Environmental policy and other? for comparability across SFN editions. US
and Chinese budget categories were mapped to COFOG (OECD) definitions.
4500
5000
5500
6000
6500
7000
2020 2021 2022 2023 2024
Ne
ga
tiv
e
flo
ws
(U
S$
2
02
4
bn
)
76 | UNEP | State of Finance for Nature 2026
The quantification of public domestic NbS
finance flows involved:
Extraction of annual values on public domestic expenditure
by country and budget function from national accounts of
the United States and China, OECD COFOG and International
Monetary Fund?s Government Finance Statistics database.
A list of NbS-relevant budget functions from SFN 2023 was
used to identify expenditure aligned with the NbS definition.
Expenditures using national classification frameworks from
countries not included in COFOG were mapped to COFOG to
harmonise reported values across countries.
Annual expenditure across NbS-relevant budget functions
was multiplied by scaling factors from SFN 2023 to estimate
NbS finance in public domestic expenditure. COFOG budget
functions classified as NbS-relevant appear in Table A6.
Table A6: Public budget categories for government expenditure in nature-based solutions
SectorsSectors Descriptions, including examplesDescriptions, including examples Relevance for NbSRelevance for NbS
Sustainable Sustainable
agriculture, fishing agriculture, fishing
and forestry and forestry
Forestry and fishing activities or Forestry and fishing activities or
equipment, as well as the development, equipment, as well as the development,
operation and maintenance of irrigation operation and maintenance of irrigation
systems for agricultural purposes. This systems for agricultural purposes. This
category also encompasses measures category also encompasses measures
for the conservation, reclamation or for the conservation, reclamation or
expansion of arable land operation or expansion of arable land operation or
support of reforestation work, pest and support of reforestation work, pest and
disease control, forest firefighting and disease control, forest firefighting and
fire prevention services.fire prevention services.
Supports ecosystem-based management, climate adaptation, food Supports ecosystem-based management, climate adaptation, food
security and biodiversity. Addresses societal goals: job creation security and biodiversity. Addresses societal goals: job creation
and livelihoods in rural areas; fosters gender equality and women?s and livelihoods in rural areas; fosters gender equality and women?s
empowerment through access to land, finance and training; empowerment through access to land, finance and training;
Integrates sustainable practices, knowledge and rights of IPs and Integrates sustainable practices, knowledge and rights of IPs and
LCs.LCs.
Biodiversity Biodiversity
and landscape and landscape
protectionprotection
Protection of fauna and flora species Protection of fauna and flora species
(including the reintroduction of (including the reintroduction of
extinct species and the protection of extinct species and the protection of
threatened species ), protection of threatened species ), protection of
habitats (including the management habitats (including the management
of natural parks and reserves) and of natural parks and reserves) and
protection of landscapes for aesthetic protection of landscapes for aesthetic
values (including the reshaping of values (including the reshaping of
damaged landscapes for the purpose of damaged landscapes for the purpose of
strengthening the aesthetic value and strengthening the aesthetic value and
the rehabilitation of abandoned mines the rehabilitation of abandoned mines
and quarry sites).and quarry sites).
Directly contributes to ecosystem conservation, restoration Directly contributes to ecosystem conservation, restoration
and biodiversity gains. Contributes to societal goals including and biodiversity gains. Contributes to societal goals including
health, water security, inclusion of IPs and LCs, gender equality health, water security, inclusion of IPs and LCs, gender equality
e.g. women benefiting from inclusive livelihood programs tied to e.g. women benefiting from inclusive livelihood programs tied to
biodiversity. biodiversity.
Environmental Environmental
policy and otherpolicy and other
Formulation, administration, Formulation, administration,
coordination and monitoring of policies, coordination and monitoring of policies,
plans, programmes and budgets for plans, programmes and budgets for
environmental protection. environmental protection.
Enabling function for NbS by providing systemic infrastructure Enabling function for NbS by providing systemic infrastructure
needed to mainstream and scale up NbS implementation. needed to mainstream and scale up NbS implementation.
Wastewater Wastewater
managementmanagement
Activities such as the administration, Activities such as the administration,
supervision, inspection, operation or supervision, inspection, operation or
maintenance of sewage systems and maintenance of sewage systems and
wastewater treatment.wastewater treatment.
Relevant for green infrastructure and natural water filtration Relevant for green infrastructure and natural water filtration
systems. Addresses directly the societal goal of health and well-systems. Addresses directly the societal goal of health and well-
being as well as access to safe water and sanitation services; being as well as access to safe water and sanitation services;
reduces burden on women and girls as well as improves safety.reduces burden on women and girls as well as improves safety.
Pollution abatementPollution abatement Measures to control or prevent the Measures to control or prevent the
emissions of greenhouse gases emissions of greenhouse gases
and pollutants that adversely affect and pollutants that adversely affect
the quality of the air; construction, the quality of the air; construction,
maintenance and operation of maintenance and operation of
installations for the decontamination installations for the decontamination
of polluted soils and for the storage of of polluted soils and for the storage of
pollutant products.pollutant products.
Supports environmental health and resilience. Contributes to Supports environmental health and resilience. Contributes to
health and well-being reducing exposure to harmful pollutants. health and well-being reducing exposure to harmful pollutants.
Addresses gender equality as women and marginalised Addresses gender equality as women and marginalised
communities are disproportionately affected by pollution.communities are disproportionately affected by pollution.
Note: Authors? illustration. Based on SFN (2023) and IMF GFS (2025).
IMF GFS 2025
77 | UNEP | State of Finance for Nature 2026
Table A7 provides scaling factors applied to extract
NbS flows, building on the literature and expert
consultation (SFN 2023).
Table A7: Scaling factors by COFOG budget function
NbS- relevant budget
function (COFOG)
Scaling
factor
Source
Sustainable agriculture,
forestry, fishing and
hunting
0.1 TNC 2020
Pollution abatement 0.2
Environmental policy and
other
0.2
Biodiversity and landscape
protection
0.9 UNDP 2015
Wastewater management 0.1 UN WATER 2015
Note: The selection of COFOG budget functions for NbS builds on
SFN 2023 and reflects functional areas of government spending
that directly or indirectly support ecosystem protection, restoration
or sustainable land and water management. While not all codes
represent sectors, they capture public policy functions relevant for
implementing NbS across domains such as agriculture, water and
environmental protection. Scaling factors in SFN 2023 were not
directly drawn from the indicated sources but informed further by
expert opinions.
Mapping of US national accounts to COFOG
budget functions Mapping of US budget categories
to COFOG budget functions did not require weighting
coefficients due to similar categories. For example,
public domestic expenditure on pollution control
and abatement are allocated to the COFOG budget
function ?pollution abatement?.
Table A8: Mapping of US public domestic expenditure
categories to COFOG
United States expenditure
category
COFOG budget function
Agriculture
Sustainable agriculture,
forestry, fishing and hunting
Pollution control and
abatement
Pollution abatement
Recreation resources
Environmental policy and
other
Conservation and land
management
Other natural resources
Biodiversity and landscape
protection
Water resources Wastewater management
Note: Authors? illustration. Based on SFN 2023.
Mapping of China?s national accounts to COFOG
budget functions. The allocation of Chinese
expenditure data to COFOG required the use of
weighting coefficients due to different definitions
and structure of Chinese and COFOG budget
categories (SFN 2023). For example, only 60 per
cent of public domestic expenses under natural
resources, ocean and weather can be categorised
as ?biodiversity and landscape protection? under
COFOG.
Table A9: Mapping of Chinese public domestic expenditure
categories to COFOG
China?s expenditure
category
Weights COFOG budget
function
Agriculture,
forestry and water
conservancy
0.33
Sustainable agriculture,
forestry, fishing and
hunting
Energy conservation
and environmental
protection
0.17 Pollution abatement
Energy conservation
and environmental
protection
0.33
Environmental policy
and other
Natural resources,
ocean and weather
0.60
Biodiversity and
landscape protection
Agriculture,
forestry and water
conservancy
0.17
Wastewater
management
Note: Authors? illustration. Based on SFN 2023.
78 | UNEP | State of Finance for Nature 2026
Table A10: Public finance: ODF to Nature-based Solutions
Source dataset(s): OECD Credit Reporting System (CRS) 2025
Approach: To quantify public international NbS finance flows, a structured filtering methodology was applied to OECD CRS
data. This approach combines an assessment of sectoral eligibility using Rio marker classification and keyword matching
to categorise finance relevant to NbS. This methodology builds on the literature and balances inclusiveness with rigour.
Applying an identification strategy (Figure A2) lower, mid and upper bounds are estimated. Filters applied included: Official
donors (donor), official development assistance and other official flows (measure), all channels (channel), general budget
support (modality), disbursements (flow type), current prices (price base). NbS estimates were converted to US$ 2024
prices.
Added value in SFN 2026: The application of strict filtering criteria and the use of lower and upper bounds for NbS shares
provides greater rigour than the scaling factors used in SFN 2023. Lower and upper bounds are more precise and align
with OECD?s approach. More CRS sub-sectors (32 instead of 16) are included.
Changes due to methodological upgrade: The inclusion of 36 CRS sectors instead of 16 CRS sectors results in an
additional 20 per cent of finance flows identified as NbS at the mid-point.
Units and data granularity: Units are in real billion US$ 2024 prices. Data is available by donor and recipient from 2015 to
2023.
Building on the OECD-DAC system, the approach tracks to what extent ODF targets NbS. The method first
estimates lower, mid and upper bounds of NbS finance. It then disaggregates NbS finance into flows that
target biodiversity, climate and/or DLDD as well as the extent of overlap.
Figure A2: Identifying NbS in Official Development Finance
Note: Authors? illustration. The number of CRS sub-sectors is expanded from 16 to 39 based on the following criteria: Significant absolute
value of expenditure in subsector that is Rio marked; Significant proportion of expenditure of subsector that is Rio marked; Expert judgement
indicating high likelihood that a sub-sector contains NbS (based on sub-sector definitions, OECD guidance and relevant reports, e.g. WRI
Adaptation NbS Report (WRI 2021), Atteridge et al. (2022); Retaining all sub-sectors included in SFN 2023: General environmental protection
(CRS Category), urban development and management, urban land policy and management, rural development, rural land policy and
management and disaster risk reduction.
79 | UNEP | State of Finance for Nature 2026
Table A11: ODF sub-sectors targeting NbS
CRS sector / category CRS sub-sectors
Water Supply and
Sanitation
Water sector policy and administrative management; Water resources conservation.
Agriculture Agricultural development; Agricultural extension; Agricultural land resources; Agricultural policy
and administrative management; Agricultural research; Agricultural water resources; Agricultural
services; Food crop production; Agricultural education/training; Agricultural co-operatives.
Forestry Forest industries; Forestry development; Forestry education/training; Forestry policy and
administrative management; Forestry research; Forestry services.
Fishing Fishery development; Fishery education/training; Fishery research; Fishing policy and
administrative management.
Industry Fuelwood/charcoal; Agro-industries; Industrial crops/export crops; Food security policy and
administrative management.
General environment
protection
Environmental education/training; Environmental policy and administrative management;
Environmental research; Biodiversity; Biosphere protection; Site preservation.
Other/multi-sector River basins development; Urban development and management; Disaster Risk Reduction; Rural
development.
Note: Sector and sub-sector names extracted from OECD CRS (2025b).
Example: A US$10 million forestry development project is classified as NbS due to its relevant subsector
and presence of a significant-like biodiversity keyword, despite having no biodiversity Rio marker or SDG
tags. While excluded at the lower bound because there are no additional stringent criteria, 40 per cent (US$4
million) is included at the mid-point and 100 per cent (US$10 million) at the upper bound due to the climate
mitigation Rio marker (significant) and the biodiversity keyword. Further real world examples from the CRS
database of projects that qualify for lower bound estimates are shown in the table below.
Table A12: Examples of projects consistent with lower bound estimates
Example 1: Actions by and for women to adapt to climate change: The women in action project aims to increase climate
change adaptation among vulnerable girls and women in the agricultural and forestry sectors in South- and North-Kivu,
with benefits in terms of the conservation and restoration of forest biodiversity. The project?s beneficiaries, who will receive
training on positive masculinity, are estimated to be over 5,000 men. In addition, the living conditions and food security
of over 30,000 household members, young women and women will improve. Five local organizations will receive support
so they can mentor young women and men in terms of implementing NbS and adapting to climate change using gender-
sensitive methods, even outside the project.
Biodiversity Adaptation Mitigation Donor Sector Recipient US$
Significant Principal - Canada Fuelwood/charcoal
Democratic Republic
of the Congo 95,405 (in 2023)
Example 2: Increased climate resilience and well-being of rural communities through improved food security and nutrition,
economic empowerment, responsive local government policies and more inclusive and stronger grass-roots organizations.
This will be achieved by diversified and increased agriculture production, increased seed security, better livestock
management, sustainable management of resources, capacity building of grassroots organizations and policy work at local,
national and international level.
Biodiversity Adaptation Mitigation Donor Sector Recipient US$
Significant Principal - Norway
Agricultural
development
Malawi 220,494 (in 2023)
Note: Authors? table. Descriptions are shortened. Extracted from OECD CRS (2025b).
80 | UNEP | State of Finance for Nature 2026
ODF targeting NbS which delivers on biodiversity,
climate and DLDD
ODF targeting NbS is identified by filtering projects in relevant
sectors (e.g. agriculture, forestry and fishing) that are tagged
with at least a significant or principal biodiversity Rio marker
or with SDGs 14 or 15. Disbursements for these projects are
aggregated to total NbS finance in ODF.
A number of projects contribute to multiple targets across Rio
Conventions. These transactions are captured in the overlap-
ping sections of Figure 13, which represent NbS actions and
investments that simultaneously deliver biodiversity, climate
and DLDD benefits. Each transaction identified as NbS is
assessed for Rio markers, thematic keywords and SDG tags
linked to the Rio Conventions. This method avoids finan-
cial double counting by transparent accounting. It explicitly
treats overlaps as reflecting multiple benefits from the same
investment. Every NbS-aligned transaction is first attributed
to biodiversity finance (as a minimum condition). Additional
attributions are made to climate and/or DLDD to show the
extent to which NbS finance aligns with individual or multiple
Rio Convention goals.
Table A13: Public finance to NbS: Debt-for-nature swaps
Source dataset(s): Bloomberg Terminal 2025
Approach: Aggregation and analysis of DNS transactions
from 2021?2024, including restructured debt, new debt
issuance and conservation finance unlocked. Data compiled
from official deal participants and secondary sources.
The methodology involves compiling data on restructured
sovereign debt(face value of debt converted), new debt
issuance(used to finance the swap) and conservation finance
unlocked(funds redirected to environmental projects).
Added value in SFN 2026: This is the first time that DNS is
included in SFN. The dataset highlights the scalability of
DNS for climate and biodiversity goals. It also demonstrates
how DNS can unlock substantial conservation finance
in debt-distressed countries and provides a foundation
for integrating DNS into broader sustainable finance
taxonomies and frameworks. The dataset supports the
development of blended finance models by illustrating how
public and private capital can be mobilised through DNS.
Changes due to methodological upgrade: This is the first
time DNS are included in SFN.
Changes due to new data points: All data points are new.
Units and data granularity: Estimates are in real million
2024 US$ prices. Data includes eight DNS deals across
seven countries: Belize, Ecuador, Gabon, El Salvador, the
Bahamas, and Barbados (2022 and 2024). Includes annual
breakdowns of restructured debt, new debt issuance and
conservation funds unlocked.
Private finance to nature-based
solutions
Estimation of private NbS finance flows is challenging
due to limited data availability on finance flows for
categories and instruments, inconsistent definitions
and scope and different reporting practices.
Table A14: Private finance to NbS: Sustainable bonds for
biodiversity
Source dataset(s): BloombergNEF (2025)
Approach:
Use of Bloomberg terminal, selecting corporate bonds and
loans by Use of Proceeds: Sustainable Proceeds.
Filter ESG project category ?biodiversity? to reproduce data
used in Biodiversity Finance factbook. Estimates use all
listed use of proceeds and divide the total amount issued
equally by number of use of proceeds. This represents
a more realistic look at financing spent. However, use of
proceeds is generally not divided equally, and biodiversity
often receives the smallest share. If a US$100 million
bond has ten listed UoPs including biodiversity, we have
attributed US$10 million to biodiversity. In the absence of
actual allocation data, Bloomberg considers this the best
approach.
Added value in SFN 2026: Adding private capital
investments from a consistent source compared to a
selection of asset classes and mechanisms.
Changes due to methodological upgrade: This is the first
time the asset class is included.
Changes due to new data points: This is the first time the
asset class is included.
Units and data granularity: Estimates are in real million
US$ 2024 prices. Data from 2012 to 2025 for corporate
bonds and loans. Note: Supranational are government
established institutions such as EU and World Bank and
are counted as public along with government-related
bonds.
Table A15: Private finance to NbS: Private philanthropy
Source dataset(s): OECD Credit Reporting System (CRS)
2025
Approach: Use of lower and upper bounds as in the OECD
CRS dataset (ODA) to estimate NbS finance. The key
difference with respect to the estimation method of NbS
finance in official development finance is the selection of
donors. This section includes only private philanthropies.
For more information about the calculation of Rio marker
shares and their application refer to annex table 13.
81 | UNEP | State of Finance for Nature 2026
Added value in SFN 2026: The application of strict
filtering criteria and estimation of lower and upper bounds
for NbS finance, as well as use of a dedicated dataset for
philanthropic finance for development is an improvement.
Units, data granularity, filters: Estimates are in real
million 2024 US$ prices. Data is available from 2015?
2022. Donors include private philanthropic institutions.
Measure: Total (private grants and ?non-grants?). Flow
type: Disbursements.
Table A16: Private finance to NbS: Private finance
mobilised for official development finance
Source dataset(s): OECD Mobilised private finance for
development (2025)
Approach: Use of mid-point estimates of NbS shares
calculated in the CRS dataset with the Rio markers were
extrapolated to the OECD database for mobilised private
finance for development. For more information about the
calculation of Rio marker shares and their application
refer to annex table 13.
Added value in SFN 2026: Use of mid-point estimates
based on Rio marker shares extracted from OECD CRS.
Changes due to methodological upgrade: In SFN
2023, only general environment protection was used
for the analysis. The previous method used scaling
factors on finance flows to obtain finance for NbS. This
analysis considers all NbS-relevant sectors. Hence, the
identification of NbS-relevant policy objectives, use of
strict filtering and estimation of lower and upper bounds
for NbS represents an improvement.
Changes due to new data points (additional year): The
updated methodology provides estimates for 2023 and
2022, which extends the time frame covered.
Units and data granularity: Units are in real million 2024
US$ prices from 2015?2023.
Filters: Donors: Official donors (DAC and non-DAC
countries), multilateral organizations. Leveraging
mechanism: aggregate total. Flow type: Amounts
mobilised, amounts mobilised for climate.
82 | UNEP | State of Finance for Nature 2026
Table A17: Private finance to NbS: Voluntary carbon markets
Source dataset(s): Ecosystem Marketplace - State of the Voluntary Carbon Market (2025)
Approach: Transactions in voluntary carbon markets are classified by project category (forestry and land use, waste disposal,
transport, agriculture, energy efficiency/fuel switching, renewable energy, chemical processes/industrial manufacturing,
household/community devices) by Ecosystem Marketplace. Only Agriculture and Forestry and Land use projects are included
in SFN.
Added value in SFN 2026: New data points on the global value of transactions in voluntary carbon markets by project
category for 2022 and 2023.
Units and data granularity: Estimates are in real million US$ 2024 prices.
Table A18: Private finance to NbS: Compliance carbon markets
Source dataset(s): Quarterly Carbon Market Reports - Clean Energy Regulator (Australia), New Zealand Environmental
Protection Authority (ETS unit movement), Ministerio del Ambiente y Desarrollo Sostenible (Colombia), California Air
Resources Board (Cap-and-Trade Program Data Dashboard)
Approach: Based on the national and subnational market overview from Maguire et al. (2021), we focus on Australia,
California, Colombia and New Zealand as these have sufficient publicly available data and represent a significant share of
the market. Values are calculated by multiplying the volume by the unit price adjusted to 2024 prices. Price data is from
World Bank?s Carbon Pricing Dashboard (n.d.), except for Australia?s prices from Clean Energy Regulator (CER) for 2023-24,
while 2022 price is from CER market price charts. This methodology is consistently applied across all years.
New Zealand: NZUs may be issued based on entitlements for forestry and industrial removals. For the 2023 cancellation
data, although both ETS surrender and voluntary cancellations reflect actual demand, the latter are negligible. Therefore,
we focus on net ETS surrender, defined as surrenders minus reimbursements, sourced from the Environmental Protection
Authority (2025). Only forestry NZUs are considered.
California Retired volumes issued from California Air Resources Board (n.d.) were extracted, filtering for US forest projects
(California Air Resources Board 2011), including reforestation, improved forest management and avoided conversion.
Colombia A caveat is that some of the credits used to comply with Colombia?s carbon tax exemption mechanism may
also be issued and traded on the voluntary carbon market. This overlap makes it difficult to distinguish between credits
retired for tax compliance and those retired for voluntary climate commitments. As a result, some credits may be double-
counted, leading to a probable overestimation of the NbS-related finance associated with this mechanism. According to
data from the Ministerio del Ambiente y Desarrollo Sostenible (MADS 2024), approximately 77.2 per cent of the credits
used for tax exemption originate from forestry, AFOLU and REDD+ projects (considered as contributing to NbS), including
afforestation, reforestation, and silvopastoral systems. To estimate the NbS-related credit volume for 2023, we apply this
share to the total number of cancellations reported by MADS. This volume is then multiplied by Colombia?s carbon tax rate
(US$5 per ton) to obtain a valuation proxy in the absence of detailed price data. This figure should be interpreted as a rough
upper bound, since the real price paid for such credits is likely lower, otherwise there would be little economic incentive
for companies to choose exemption over paying the tax. Moreover, if the exemption mechanism involves significant
transaction costs, the effective credit price would have to be even lower to remain financially attractive.
Australia The analysis assumes that NbS-related ACCUs are captured within the broader ?vegetation?, ?savanna fire
management? and ?agriculture? categories, which include activities such as reforestation, revegetation, improved fire
management, agroforestry. This assumption is made due to the lack of more granular data that would permit identification
of NbS activities. The price for ACCUs in 2023 is from the Clean Energy Regulator December 2024 report (2025).
Units and data granularity: Units are in real million 2024 prices.
83 | UNEP | State of Finance for Nature 2026
Table A19: Private finance to NbS: Biodiversity offsetsTable A19: Private finance to NbS: Biodiversity offsets
Source data : Source data : Bennett Bennett et al.et al. (2017b). Government of India CAMPA Annual Reports (GoI 2019; GoI 2020; GoI 2021; GoI 2022; GoI (2017b). Government of India CAMPA Annual Reports (GoI 2019; GoI 2020; GoI 2021; GoI 2022; GoI
2023). BEA data for US Construction sector growth rate (BEA 2025).2023). BEA data for US Construction sector growth rate (BEA 2025).
ApproachApproach: 2016 values for global private finance for biodiversity offsets was extracted from Bennett : 2016 values for global private finance for biodiversity offsets was extracted from Bennett et al.et al. (2017b) and used (2017b) and used
for projections. for projections.
1. Unites States 2016 estimate is assumed to increase at the same rate as gross value added of the construction sector, 1. Unites States 2016 estimate is assumed to increase at the same rate as gross value added of the construction sector,
following Madsen (2024) identifying that construction is the biggest demand driver; following Madsen (2024) identifying that construction is the biggest demand driver;
2. India: CAMPA estimates from annual reports are available for only 2018 to 2022. 2023 and 2024 estimates are assumed to 2. India: CAMPA estimates from annual reports are available for only 2018 to 2022. 2023 and 2024 estimates are assumed to
grow at the rate of inflation based on 2022 figures. grow at the rate of inflation based on 2022 figures.
3. Other regions: Adjusting Bennet estimates for inflation only due to lack of data. 3. Other regions: Adjusting Bennet estimates for inflation only due to lack of data.
Added value in SFN 2026: Added value in SFN 2026: New data points on finance for biodiversity offsets for 2023 and 2024. Estimates are the result of New data points on finance for biodiversity offsets for 2023 and 2024. Estimates are the result of
replicating the method in SFN 2023, revised to account for more robust projection assumptions. replicating the method in SFN 2023, revised to account for more robust projection assumptions.
Changes due to methodological upgrade: Changes due to methodological upgrade: Instead of the low and high growth rate used in SFN 2023, growth assumptions vary Instead of the low and high growth rate used in SFN 2023, growth assumptions vary
by region. In the US, it is the construction sector?s growth rate. Indian estimates are reported values from the programme?s by region. In the US, it is the construction sector?s growth rate. Indian estimates are reported values from the programme?s
annual reports. Other regions increase at the rate of inflation. annual reports. Other regions increase at the rate of inflation.
Changes due to new data points (additional year): Changes due to new data points (additional year): Biodiversity offsets amounted to approximately US$7.15 billion in 2023, Biodiversity offsets amounted to approximately US$7.15 billion in 2023,
which represents an increase of 5 per cent since 2022 (US$6.81 billion).which represents an increase of 5 per cent since 2022 (US$6.81 billion).
Units and data granularity: Units and data granularity: Units are in real billion 2024 US$ prices. Units are in real billion 2024 US$ prices.
The mitigation hierarchy, recognised as the best-practice framework for minimising the impacts of development
on biodiversity, prioritises avoiding harm to ecosystems wherever possible, followed by minimising unavoidable
damage and finally compensating for residual impacts through biodiversity offsets. This approach supports
principles like No Net Loss (NNL) or Net Gain (NG) in biodiversity, ideally ensuring development projects maintain
or enhance biodiversity and resilience.
Figure A3: Value of biodiversity offsets by region in 2023
Note: Authors? calculations. Estimates are in real 2024 US$ prices (millions).
84 | UNEP | State of Finance for Nature 2026
Table A20: Private finance to NbS: Payments for ecosystem services (SFN 2023 methodology)
Source dataset(s): OECD (2021). Tracking Economic Instruments and Finance for Biodiversity; Salzman et al. (2018). The
global status and trends of Payments for Ecosystem Services.
Approach: To estimate the share of private PES, the share of PES that are user-financed and compliance-financed was
calculated based on data from Salzman et al. (2018). Estimates from OECD (2021) were downscaled by 22 per cent and 44
per cent to derive lower and upper bound estimates.
Added value in SFN 2026: New data points.
Changes due to methodological upgrade: No methodological update was conducted.
Changes due to new data points (additional year): The total value of PES for 2023 was US$4.19 billion, while in 2024 it was
nearly US$4.29 billion due to updating the price index.
Units and data granularity: Units are in real billion 2024 prices. Raw data is available for average annual investment
2017?2019 from OECD (2021) and extrapolated using IMF-WEO price index.
Table A21: Private finance to NbS: Certified commodity supply chains
Source dataset(s): : 4C (2023), Breukink et al. (2015), FAO (2020; 2022; 2024a; 2024b), FSC (2020; 2021; 2022; 2023), GCP
(2021), IDH (2020; 2021a; 2021b), PEFC (2019; 2020; 2021; 2022; 2023a; 2023b), Proterra (2022; 2023), Rainforest Alliance
(2021; 2022a; 2022b; 2024a; 2024b), RSPO (2023), Statista (2025), World Bank (2025), WWF (2022).
Approach: Certified commodity finance flows to forestry are calculated based on FSC certification costs incurred by
growers, estimated at US$4.16 per hectare in 2015 (Breukink et al. 2015). This figure is adjusted for inflation and multiplied
by the area under certified forestry practices as reported by PEFC and FSC. A similar methodology was applied by SFN
(2023) and Deutz et al. (2020), though their approach was based on production volumes. The method for RSPO-certified
palm oil is comparable, with certification costs for farmers estimated at US$12.5 per ton of certified palm oil (WWF 2020).
This figure is multiplied by the total certified production volume as reported by RSPO.
The US$2.27 bn sustainable investment flows to FSC and PEFC certified wood market represent around 1.22 per cent of
the total market size of FSC and PEFC certified wood product which was US$186.24 bn in 2023. Using the 2023 palm oil
price from World Bank (2025) and factoring in certification cost adjustments, total RSPO-certified production value for 2023
was US$17.4 billion. Finance flows of US$0.27 billion represent 1.5 per cent of total sustainable production value. The
average of these two investment shares, 1.4 per cent, is applied across coffee, cocoa and soy, where production volumes
are multiplied by average market prices (World Bank 2025). Certified seafood estimate is based on the methodology in SFN
(2023) and Deutz et al. (2020) with updated data on the value of fisheries and aquaculture from FAO (2024).
These estimates use the market value of certified goods as a proxy for the actual contribution of certified commodity
markets to nature-positive outcomes.
Added value in SFN 2026: Enhanced updateability of estimates by using publicly available data, e.g. hectares under
certification regularly reported by FSC and PEFC and using publicly available commodity price data which is updated
annually. RSPO methodology has been revised and is based on more substantive sources. Potential double-counting caused
by multiple certifications was minimised.
Changes due to methodological upgrade: Forest products finance flows are lower compared to SFN 2023 due to a change
in approach from volume to area, as well as accounting for double certification. Despite the change in approach and using
different datasets, the estimates for other certified commodities remain broadly similar.
Changes due to new data points: Certified organic agricultural goods have been excluded here due to lack of reliable data.
In SFN 2023, finance flows to this category were estimated at US$2.9 billion.
Units and data granularity: Units are in real billion US$ 2024 prices. Estimates were calculated by certifying agency and
aggregated to the commodity level after accounting for multiple certifications.
85 | UNEP | State of Finance for Nature 2026
Investment needs for NbS
The analysis on future investment needs relies on SFN 2023
modelling. Projections for additional investment needs were
based on the Model of Agricultural Production and its Impact on
the Environment (MAgPIE), a global land use allocation model
designed to explore land competition dynamics in the context
of carbon policy, complemented with off-model analysis.
Estimates from SFN 2023 modelling were revised to US$ 2024
prices. It is assumed that current finance flows are committed
to current projects- investment needs represent additional
finance needed.
The Rio-aligned scenario assumes that Rio Conventions targets
limiting climate change to 1.5 °C, 30by30 and land degradation
neutrality by 2030. Further details on modelling assumptions
under the Rio-aligned and baseline scenarios, modelling steps,
optimisation process and off-model analysis are described in
the Technical Annex to SFN 2023. The analysis includes 16 NbS
selected based on their mitigation potential, data availability
and data quality (Table A22 provides additional detail).
Table A22: NbS types and definitions
NbS category Description
Reforestation
Conversion from non-forest (less than 25 per cent tree coverage) to forest (more than
25 per cent tree coverage) in previously forested areas
Agroforestry (silvopasture) A land use system in which trees are combined with livestock.
Agroforestry (silvoarable) A land use system in which trees are grown with agriculture on the same land.
Restoration of mangroves Restoration of damaged and degraded global mangrove forests.
Restoration of peatlands Rewetting of damaged and degraded global peatlands.
Restoration of seagrass Restoration of damaged and degraded global coastal seagrass meadows.
Restoration of saltmarshes Restoration of damaged and degraded global coastal saltmarshes.
Grazing ? optimal intensity
Grazing optimisation is the offtake rate that leads to maximum forage production
(Henderson et al. 2015). This prescribes a decrease in stocking rates in areas that are
overgrazed and an increase in stocking rates in areas that are under-grazed, with the
net result of increased forage offtake and livestock production.
Cover crops
Cultivation of cover crops in fallow periods between main crops. Prevents losses of
arable land while regenerating degraded land.
Avoided deforestation
Avoidance of conversion, destruction or degradation of forests, where forests are
defined as areas with more than 25 per cent of tree coverage.
Avoided grassland conversion
Avoided conversion of temperate grasslands, tropical savannas and shrublands; the
focus is placed on the conversion of grasslands to croplands.
Avoided mangrove conversion Avoided conversion, destruction or degradation of global mangrove forests.
Avoided seagrass conversion Avoided conversion, destruction or degradation of global seagrass.
Avoided peatland conversion Avoided conversion, destruction or degradation of global peatlands.
Protected area
Area closures that can help reduce conversion and degradation of marine and
terrestrial ecosystems, including deforestation and forest degradation.
Source: SFN (2023)
Table A23 summarises costs in the land use sector which are
captured in the analysis. Costs associated with climate policy
include emissions costs aligned with a Paris-compliant carbon
pricing trajectory and incentives for negative emissions such
as carbon capture. Other costs encompass a broader set of
output-related expenditures that increase with policy ambition.
These include the rising costs of input factors like energy,
labour and eco-friendly inputs, investments in research,
development and the adoption of new technologies, and
costs related to irrigation and expanding resource-efficient
production systems. They also cover downstream costs of pro-
cessing, transport and trade, which may grow due to the shift
toward greener logistics and decentralised networks. Addi-
tional costs arise from land conversion activities, including
land clearing and preparation for agriculture or ecological
restoration, and from forest management practices such as
afforestation or reforestation.
Notably, the costs included in this assessment cover quan-
tifiable investment needs in the production of commodities
or provision of services related to NbS. Enabling investments
required in the wider socioeconomic and institutional environ-
ment to scale NbS interventions effectively are not included in
these projections.
86 | UNEP | State of Finance for Nature 2026
Table A23: Costs reflected in the integrated assessment modelling (Source: SFN 2023)
Output costs in the investment
needs analysis
Description and examples
1. Costs of input factors Cost of producing food and materials includes labour, energy, physical inputs, non-
land capital cost. Examples including higher electricity prices; eco-friendly fertilizer.
2. Investment in technical
change and adoption
Includes R&D, adoption and irrigation expansion. Examples include R&D in new
technologies to achieve market readiness.
3. Costs of processing,
transport and trade
Includes all downstream costs to consumer. Examples include greener logistics,
decentralised systems etc.
4. Cost of land conversion Including land clearing and preparation for agriculture or restoration. Examples
include land clearing and preparation.
5. Cost of forest management Cost associated with forest management. Examples include planting trees or
expanding forest.
6. Costs of climate policy Emissions costs associated with a Paris aligned carbon pricing trajectory; Rewards
for negative emissions. Examples include emissions permits, incentives for carbon
capture, etc.
The Nature Transition X-Curve
Table A24 provides a comprehensive list of leverage points to support transition to nature positive outcomes organized in eight
thematic categories. Colour coding corresponds to the five elements of the Nature Transition X-Curve: phasing in (green),
phasing out (red), vision (orange), knowledge (dark blue) and equity and engagement (light blue).
Table A24: List of leverage points
Leverage point / category Sources
Governance, law and policy reform
Embed NbS in legal systems.
IUCN 2024a
Using a whole-of-government approach to align biodiversity and climate
agendas.
UNEP FI 2023; Finance for Biodiversity Foundation
2024; IUCN 2024a
Reform subsidies harmful to nature.
UNEP 2022a; UNEP FI 2023; UNEP 2024; Hafferty et
al. 2025
Mandatory standards for disclosure of impacts and dependencies on
nature.
Meadows 1999;Barbier et al. 2018, Kedward et al.
2022; UNEP FI 2023a; WWF 2024
Develop sector-specific nature-positive transition pathways and policy
frameworks.
Barbier et al. 2018; Kedward et al. 2022; WWF 2024
Enhance global cooperation for the protection of shared natural
resources and transboundary issues.
WWF 2024
Integrate diverse knowledge systems, including indigenous, ensuring
data sovereignty.
IPBES 2024; UNEP FI 2025
Acknowledge all benefits of nature, including for human health. Bridgewater 2018
Regulation that rewards early adopters of sustainable finance. WWF 2024
Use fiscal incentives to attract private capital for nature. UNEP 2023; UNEP FI 2023
Fiscal instruments to disincentivise harmful environmental practices. UNEP 2022a
87 | UNEP | State of Finance for Nature 2026
Leverage point / category Sources
Address corruption and insecurity as barriers to nature-positive
investment.
WWF 2024
Revise national accounting to include nature ("green GDP"). Oanh 2023; WWF 2024
Strengthen environmental considerations in trade rules and incentives. WWF 2024
Eliminate trade barriers that punish environmental standards. WWF 2024
Support workers and businesses affected by the green transition. WWF 2024
Recognise the rights of local and Indigenous communities. IPBES 2024; Hafferty et al. 2025; UNEP FI 2025
Protect environmental defenders and activists. IPBES 2024; UNEP FI 2025
Design inclusive trade policies respecting Indigenous and local rights
and GESI.
WWF 2024; OECD 2025a; UNEP FI 2025
Ensure the participation of women, youth and smallholder producers in
decision-making spaces, following GESI principles.
Wittmer et al. 2021; Viña et al. 2023
Acknowledge the growing legal and financial liabilities tied to
investments that harm climate and nature.
ICJ 2025
Systemic coherence and integration
Nature-proofing of Official Development Assistance (ODA) by aligning
ODA funding with NbS.
UNEP 2022a; Oanh 2023
Support developing countries in designing sustainable development
pathways.
Barbier et al. 2018; WWF 2024
Align KPIs in industry and finance with the Global Biodiversity
Framework (GBF).
WWF 2024
Mainstream nature in the global economic agenda. UNEP FI 2023;WWF 2024; Hafferty et al. 2025
Agree on the goal and definition of a nature-positive economy.
Randrup et al. 2020; Kooijman et al. 2021; WWF 2024
Align climate, biodiversity, restoration finance and SDG agendas. WWF 2024
Always consider ecological infrastructure as alternative to and in
synergy with grey infrastructure.
Bridgewater 2018; Randrup et al. 2020; UNEP
2022a; Mercado et al. 2024
Support integrated landscape initiatives. UNEP 2021
Shifting social norms away from consumerism towards sustainable
lifestyles.
IPBES 2024
Adopting regenerative views, structures and practices. Hebinck et al. 2022; IPBES 2024
Changing mindsets and paradigms towards nature-based principles.
Randrup et al. 2020; Roggema et al. 2022; Cousins
2024; Mercado et al. 2024
Finance instruments
Foster public-private partnerships for blended finance and de-risking. UNEP FI 2023; UNEP 2024
Promote innovative nature finance like debt-for-nature swaps, green
bonds and impact funds.
Singhania et al. 2023; UNEP 2023; Finance for
Biodiversity Foundation 2024
Increase public investment in nature through green budgeting and
procurement.
UNEP 2022a; IUCN 2024a; UNEP 2024; Hafferty et al.
2025
Scale up concessional finance, including preferential agricultural loans UNEP 2021; Oanh 2023
Establish global funding mechanisms for NbS and nature-positive
finance.
WWF 2024
Promote financial inclusion through microcredits, micro-savings and
digital services.
UNGA 2023
Financial sector alignment
Require biodiversity impact assessments for investments using
credible, nature-inclusive standards.
Singhania et al. 2023; UNEP 2023
Reform global financial institutions to empower nature-rich countries. Oanh 2023; WWF 2024
88 | UNEP | State of Finance for Nature 2026
Leverage point / category Sources
Address sovereign debt challenges that hinder investments in nature /
NbS.
WWF 2024
Mandate finance institutions to divest from nature-negative activities. UNEP 2022a
Develop verification and certification for nature-related investments. Edmans et al. 2022; UNEP 2023
Embed nature risks and dependencies in monetary policy and
supervision.
UNEP 2023; Finance for Biodiversity Foundation
2024; UNEP 2024
Guide financial institutions to align with biodiversity frameworks. UNEP 2023
Engagement of financial institutions with clients for supporting the
phase out of nature negative finance flows.s
Finance for Biodiversity Foundation 2024
Standards, metrics and data
Ensure coherent, accessible data for monitoring climate, biodiversity,
and well-being.
IUCN 2024a
Create standard metrics and methods to show benefits of NbS and
nature-positive investments.
UNEP 2021
Improve data on NbS and nature finance, including gender dimensions. IUCN 2024b, Hafferty et al. 2025
Develop metrics of societal success that include social, economic,
cultural and environmental goals.
Randrup et al. 2020; IPBES 2024
Agree globally on indicators to track nature-positive progress. IUCN 2024a
Adopt science-based targets to reduce risks and generate nature-
positive impacts.
UNEP FI 2023; Finance for Biodiversity Foundation
2024
Standardise frameworks to capture nature?s multi-dimensional value. Randrup et al. 2020; UNEP 2023
Business and markets
Establish state-owned enterprises to drive nature-positive and NbS
investments.
UNEP 2022a
Create high-integrity markets for nature and NbS.
Barbier et al. 2018; UNEP 2022a; UNEP FI 2023
Develop insurance products for nature-related risks and opportunities. WWF 2024
Provide seed funding at the right scale for nature-positive businesses. UNEP 2024b
Quantify and disclose corporate biodiversity impacts and
dependencies.
UNEP 2021; Edmans et al. 2022; UNEP 2024b
Ensure carbon markets meet strong environmental and social
standards.
Barbier et al. 2020; UNEP 2021
Develop markets for alternatives to extractive activities. Oanh 2023; WWF 2024
Assess socio-political risks and benefits of nature market approaches. Kedward et al. 2022
Fund experimental spaces for nature-positive innovation. Cousins 2024
Support nature-based enterprises centred on conservation. Kooijman et al. 2021
Improve funding and market access for women and marginalised
groups.
UNEP 2022
Investing in women and Indigenous peoples-led efforts, sectors and
collaborations.
IUCN 2024b
Education and capacity building
Integrate human-nature connectedness into education, health, planning
and art.
Roggema et al. 2022; IPBES 2024; Hafferty et al.
2025
Build board level leadership for nature. UNEP 2024b
Promote sustainable finance literacy for informed investment and
business decisions.
Samdani 2024
Build capacity and simplify finance access for local and Indigenous
communities.
UNEP FI 2025
89 | UNEP | State of Finance for Nature 2026
Leverage point / category Sources
Support students in becoming ecological leaders. Roggema et al. 2022
Expand financial education for underserved populations. Oanh 2023
Understand both co-benefits and risks of NbS. Osaka et al. 2021; Kedward et al. 2022; UNEP 2023
Highlight cost-effectiveness and revenue potential of conservation. Kooijman et al. 2021; UNEP 2023
Explore blockchain and artificial intelligence roles in NbS and nature
goals.
Singhania et al. 2023
Recognise the connection between poverty eradication and biodiversity
conservation.
Ancrenaz et al. 2007
Equity, rights and participation
Understand and compensate for the local (social) costs of investments,
including for youth, women and marginalised groups.
Bidaud et al. 2018; IUCN 2024b
Use participatory methods like co-creation and citizen science. IPBES 2024; Hafferty et al. 2025
Ensure nature finance follows rights-based, high-integrity standards. UNEP FI 2025
Create fair models to share assets and benefits with IPs and LCs.
Bidaud et al. 2018; UNEP 2023; UNEP FI 2025
Acknowledge and address power inequalities. Hafferty et al. 2025
Strengthen local democracy and community control over land use. Hafferty et al. 2025
Empower women as agents of change leveraging their unique
knowledge to improve environmental, health and socioeconomic
outcomes.
IUCN 2024b; OECD 2024c
Recognise the rights of nature and the rights of Mother Earth as
stakeholder.
IPBES 2024
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Acknowledgements
Foreword
Table of Contents
Glossary
List of Abbreviations
Executive Summary
INVALIDE) (ATTENTION: OPTION
criteria to qualify as lower-bound, i.e. be tagged with
a ?principal? biodiversity marker (which implies a
larger contribution to biodiversity objectives than the
?significant? marker) and have keywords related to
NbS in their description.
Figure 11: Official Development Finance targeting NbS, 2015-23 and by sector in 2023 (US$ billion)
Note: Authors? calculations. Estimates are lower-, mid- and upper-bound to account for uncertainty in identification of NBS. Data from OECD
CRS (2025) which covers Official Development Assistance (ODA) and Other Official Flows (OOF) from public bilateral and multilateral sources.
For sectoral breakdown, 2023 disbursements are used.
28 | UNEP | State of Finance for Nature 2026
NbS finance in ODF is highly concentrated
in environmental policy (US$1.9 billion) and
biodiversity-focused interventions (US$1.1 billion)
reflecting the central role of governance and
biodiversity conservation in public NbS finance
(Figure 11). Significant amounts are also allocated
to agriculture (US$1.3 billion) and forestry
(US$0.8 billion). Most ODF targeting NbS is highly
concessional. ODA grants provided 75 per cent of
NbS related ODF, with the balance in ODA loans,
equity investments and Other Official Flows, e.g.
non-export credits.
ODF targeting NbS has a strong gender dimension
that has increased over time but is unevenly
distributed across sectors. In 2023, 58 per cent of
all ODF NbS finance flows are gender marked (Figure
12). ODF NbS finance to the agriculture sector has
the highest level of gender integration (81 per cent),
followed by disaster risk reduction (DRR) (73 per
cent) and water and forestry (68 per cent and 67
per cent respectively). Projects for environmental
protection have a lower level of gender integration
with 45 per cent tagged with the gender marker. To
enhance impact, policies should ensure NbS funding
integrates gender from design to implementation,
with clear targets and accountability for gender
outcomes.
Figure 12: Share of Official Development Finance targeting NbS with a gender marker, 2015-23
Note: Authors? calculations. Estimates are in percentage terms and based on mid-point values. Based on OECD CRS (2025b) which covers
ODA and OOF from public bilateral and multilateral sources. Projects are identified with a significant or principal gender marker.
2015 2016 2017 2018 2019 2020 2021 2022 2023
36%
46%
43%
53%
45%
52%
60% 60%
58%
Agriculture
Water supply
& sanitation
General
environment
protection
81%
68%
49%
15%
Gender share 2023
Other
multisector
(DRR)
Forestry
Industry
Fishing
73%
67%
45%
29 | UNEP | State of Finance for Nature 2026
3.2.3 NbS delivering on the Rio Conventions
Roughly 43 per cent of ODF targeting NbS in
2023 supported projects delivering against
all three Rio Conventions simultaneously,
demonstrating important synergies to tackle
climate change, biodiversity loss and land
degradation, desertification and drought (DLDD).
NbS offer strategic opportunities to strengthen
coherence in implementation and financing across
Rio Conventions. Synergistic implementation not
only amplifies impacts but also reduces costs,
e.g. in Central Asia, synergies reduced total cost
of implementation by 25 per cent (Mirzabaev et
al. 2025). However, financial reporting on NbS by
countries against the targets of the Rio Conventions
can be challenging. Greater clarity on how NbS
finance relates to biodiversity finance, climate
finance for nature and restoration or DLDD finance is
needed.
This analysis looks at each transaction of ODF
disbursements that meet the biodiversity-related
eligibility criteria for NbS (Table 3). Further
attribution to UNFCCC (climate) and UNCCD (DLDD)
is made using Rio markers, keywords in project
descriptions and SDG proxies. Identification of NbS
activities relied on project descriptions and should
not be interpreted as official reporting by DAC
countries. Details are in the Technical Annex.
Table 3: Attribution scheme of NbS transactions to Rio Conventions
Biodiversity finance (CBD) Climate finance (UNFCCC) DLDD finance (UNCCD)
Biodiversity sector
Biosphere protection sector
Biodiversity marker (significant
or principal)
Biodiversity keyword
(significant-like or principal-like)
SDG 14 (life below water) or
SDG 15 (life on land) marker
Climate mitigation marker
(significant or principal) OR
Climate adaptation marker
(significant or principal)
Desertification marker (significant or principal)
DLDD keywords
SDG 15.3 marker (land degradation neutrality)
SDG 15 marker (life-on-land)
SDG 2.4 marker (sustainable food production)
Biodiversity OR climate adaptation marker in sector*
Note: *General environmental protection (CRS Category), urban development and management, urban land policy and management, rural
development, rural land policy and management, disaster risk reduction. SDGs markers and keywords for climate finance are excluded.
Referring to SDG markers, OECD (2023) states that ?the heterogeneity in reporting quality of this field implies that data extracted from this
field may be inconsistent across donors.?
Disaggregation of ODF targeting NbS by Rio
Convention demonstrates that NbS flows are
captured under biodiversity finance (upper bound
estimates of US$13.3 billion) with subsets of NbS
finance contributing also to climate and DLDD
objectives. The overlapping area in Figure 13
represents ODF NbS investments that simultaneously
deliver biodiversity, climate and/or DLDD benefits.
US$5.7 billion (43 per cent) of ODF targeting NbS in
2023 supported projects delivering against all three
Rio Conventions simultaneously. Donor countries
differ in the extent to which they support NbS, which
likely reflects differing priorities.
30 | UNEP | State of Finance for Nature 2026
DLDD
Desertification,
land degradation
and drought
3.8
(28%)
2.7
(20%) 5.7
(43%)
1.1
(8%)
Biodiversity
Climate
Nature-based
solutions
NbS
Figure 13: Contribution of ODF targeting nature-based solutions to Rio Conventions in 2023 (US$ billion and %)
Where additional Rio markers or other indicators for climate or DLDD objectives are present, transactions are also attributed to UNFCCC or
UNCCD. Overlapping or joint contributions occur when single investments support multiple Rio Convention targets simultaneously.
Based on upper bound estimate which include 100 per cent of the value of transactions tagged with the biodiversity Rio marker or equivalent.
approaches are more systematically addressed in
multi-convention projects, reflecting recognition of
gender equality as a cross-cutting driver of more
inclusive and effective environmental action. The
relatively higher gender shares in NbS projects
contributing to multiple Rio Conventions indicate
that gender-responsive synergies are beginning to
materialise in practice (UN Women 2024).
Figure 14: Share of Official Development Finance targeting NbS that delivers on multiple Rio Conventions and gender, 2021?23 (%)
23%
39% 37%
74%69% 68%
48% 49% 45%
59% 56% 57%
2022
2021
2023
Biodiversity only
and gender
Biodiversity,
climate and
gender
Biodiversity, DLDD
and gender
Biodiversity, climate,
DLDD and gender
NbS finance delivery across Rio Conventions and
gender integration
NbS projects aligned with multiple Rio Conventions,
particularly climate and biodiversity, have high shares
of gender integration (68 per cent), while projects
focusing solely on biodiversity (37 per cent) lag
(Figure 14). This suggests that gender-responsive
Note: Authors? calculations with data from OECD CRS (2025b).
31 | UNEP | State of Finance for Nature 2026
3.2.4 Public debt-for-nature swaps
NbS finance flows channelled through debt-for-
nature (DNS) swaps reached roughly
US$0.63 billion in 2023 (Figure 15). DNS are financial
transactions in which a share of a country?s foreign
debt is restructured on better terms in exchange
for commitments to invest in conservation, often
channelling funds into local projects and engaging
IPs and LCs. SFN 2026 introduces DNS in NbS
finance estimates to capture the growing contribution
of sovereign debt restructuring as a channel for
mobilising finance for nature. There have been eight
DNS agreements from 2021?24 in Belize, Ecuador,
Gabon, El Salvador, the Bahamas, and Barbados.
Figure 15: Total restructured debt by year, including new debt and conservation funds, 2021-24
Source: Authors? calculations. Data from BloombergNEF 2025; Bloomberg Terminal 2025.
DNS aim to address the dual challenges of sovereign
debt and biodiversity loss, particularly in emerging
economies. Traditional debt restructuring typically
aims to stabilise a country?s financial situation by
renegotiating the terms of debt repayment, without
addressing broader socio-environmental issues. In
contrast, DNS integrates financial relief with tangible
conservation outcomes, creating a win-win scenario
for both economic stability and environmental
sustainability.
There are two types of DNS. Commercial DNS
involve restructuring government debt that is traded
on markets, such as fixed income securities (e.g.
sovereign bonds). A third-party organization, usually
an NGO, government or individual(s), purchases
the debt at a discount in the secondary market. The
debtor country then invests the acquired funds in local
currency in conservation projects. Bilateral (public)
DNS are government-to-government agreements
on debt that is not traded in financial markets, such
as loan products. Tailoring DNS to the needs and
priorities of countries is essential to maximise its
effectiveness. This requires knowledge of priority
areas within a country, as well as the involvement of
national governments in implementing and managing
DNS (Nedopil et al. 2023).
While DNS have potential, their success depends
on enabling conditions, such as institutional
capacity for monitoring, alignment with biodiversity
priorities and resilience to external financial shocks.
Their effectiveness is influenced by the degree of
country ownership, strong conservation incentives
and additionality. Aligning these instruments
with national biodiversity plans, nature-related
taxonomies and inclusive processes, particularly
involving IPs and LCs, enhances impact. More
broadly, the successful scaling of nature finance
may rely less on individual instruments and more
on coherent, systemic approaches that integrate
climate and nature objectives through robust
governance and accountability mechanisms (IMF
2024).
in billion US$
0.0
1.0
2.0
0.5
1.5
2.5
3.0
3.5
4.0
0.34
2021
0.16
2022
1.12
2023
0.54
0.21
1.75
2024
3.70
1.10
2.60
New debt
Conservation funds unlocked
0.20 0.05
0.63
32 | UNEP | State of Finance for Nature 2026
3.3 Private finance flows to
nature-based solutions
Private finance flows to NbS reached US$ 23.4
billion in 2023, one-tenth of total finance flows
for NbS (Figure 16), up by nearly 8 per cent since
2022. Private NbS finance tracked includes green
and sustainability linked bonds with biodiversity
UoP, philanthropy, private finance mobilised by ODF,
biodiversity offsets and credits, carbon markets,
payments for ecosystem services (PES) and certified
commodity supply chains.
Biodiversity offsets mobilised roughly US$7.1 billion
providing the largest share of private NbS finance.
Sustainable corporate bonds with biodiversity UoP
and biodiversity funds are increasingly important asset
classes to scale finance for NbS. Finance channelled
through private corporate bonds with biodiversity UoP
was US$4.1 billion in 2023 compared to US$2.7 billion
in 2019.6 Investment in biodiversity funds has grown
rapidly at 14 per cent CAGR over the past five years
(Global Impact Investing Network [GIIN] 2024).
6 Excluding financial sector issuances of around US$5 billion in 2024
(BloombergNEF 2025; Bloomberg Terminal 2025).
0.1
0.10.30.30.40.9
0.1
0.04
0.07
0.02
0.7
0.20.10.3
0.30.4
7.1
3.0 1.0
4.2
1.6
2.3
Biodiversity offsets Payments for ecosystem
services
Compliance carbon credits Voluntary carbon credits
Forest products
Seafood
General environment
protection
Agriculture
Agri.
Fo
re
st
ry
/F
is
hi
ng
Others
Others
Utilities
Industrials
Materials
Consumer
discretionary
General environment
protection
Palm oil Coffee Soy
Cocoa
Philanthropy
Private finance
mobilised by ODF
Corporate bonds with biodiversity UoP (US$4.1 billion) Biodiversity and
natural capital
funds
Market based instruments (US$12.6 billion) Certified commodity
supply chains (US$4.6 billion)
Source: Authors? calculations. Data: biodiversity bonds (Bloomberg); private finance mobilised (OECD); philanthropy (OECD); biodiversity offsets (various); PES (various);
CCSC (various). Market-based instruments are non-exhaustive and clustered avoiding double counting or identification issues with other instruments.
Figure 16: Private finance flows to nature-based solutions in 2023 (billion US$)
33 | UNEP | State of Finance for Nature 2026
While private finance for NbS often captures
headlines and policy attention, it currently represents
only a fraction of private finance?s potential
contribution to nature-positive outcomes. Most
impact will come through impact mitigation finance,
transition finance and mainstreaming approaches, i.e.
finance that reduces harm across existing portfolios,
supports sectoral transformation and integrates nature
considerations into routine financial decisions. Yet,
as discussed in chapter 1, these critical categories
currently lack agreed definitions, standardised metrics
and robust reporting systems. Without comprehensive
frameworks to capture this broader spectrum of nature-
relevant finance, we risk systematically undervaluing
and underreporting the private sector?s potential
contributions to nature protection. This creates a blind
spot: institutions may be delivering substantial nature
benefits through supply chain improvements, circular
economy investments and sectoral transitions that
remain invisible in current tracking systems.
3.3.1 Sustainable bonds for biodiversity
Germany, the United Kingdom, France, Italy,
China, Spain, Sweden, Australia, Hong Kong
and the European Union issued US$168 billion in
sustainable and green bonds with biodiversity UoP
in the first eight months of 2024 (BloombergNEF
2024). While government financing is responsible
for all of this issuance in six of the largest markets,
biodiversity-related bonds issuance in China, South
Korea and France is composed almost entirely of
private-sector funds. Investors are venturing into
frontiers of nature and biodiversity via labelled bonds
including biodiversity conservation among their UoPs
(Sustainable Fitch 2023a).
Issuance of green bonds targeting NbS to de-risk
private finance is a strategy to increase private
investment in NbS. Bonds may target NbS that
enhance flood protection of cities, municipalities
and local industry. Sustainability-linked loans and
bonds with a nature component are increasing. The
issuance of green and sustainability bonds featuring
terrestrial and aquatic biodiversity increased from
just 5 per cent in 2020 to 16 per cent in 2023
(Sustainable Fitch 2023b).
Examples of the growing use of bond proceeds for
nature-positive outcomes include the Spanish region
of Castilla y León which allocated part of its 2023
sustainable bond proceeds to forest fire prevention,
reforestation and conservation projects (Junta de
Castilla y León 2023). In the United Kingdom, United
Utilities issued a GBP 300 million7 sustainable
bond in 2021, channelling funds into peatland and
riverbank restoration to enhance water quality and
flood resilience (United Utilities 2024).
Finance flows channelled via private corporate bonds
with biodiversity UoP from 2019 to 2024 are shown in
Figure 17. The utilities sector is responsible for over
three quarters of the total at US$3 billion in 2023,
with a consistently high share over time. Industrials
and consumer discretionary have significant but
variable volumes of corporate bonds.
Figure 17: Private corporate sustainable bonds with
biodiversity UoP by sectors, 2019?24 (billion US$)
Note: Authors? calculations. Estimates cover corporate bonds,
excluding financial sector bonds. Data from BloombergNEF 2025;
Bloomberg Terminal 2025.
7 US$400 million by 5 August 2025 exchange rate.
0.0
1.0
0.5
2.0
2.5
1.5
4.0
3.5
4.5
3.0
0.4
0.3
0.4
0.1
0.6
2023
0.4
0.3
0.3
0.01
2019 2020 2021 2022
2.7
3.4
3.6
2.5
4.1
0.4
1.0
1.4
0.3
0.2
0.2
OthersMaterialsConsumer discretionaryIndustrialsUtilities
2024
0.2
0.3
0.5
0.6
2.3
3.9
1.8
0.1
3.0
1.3
0.1
0.1
0.2
0.7
0.2
2.5
34 | UNEP | State of Finance for Nature 2026
3.3.2 Biodiversity funds
An average of US$1 billion was invested in
biodiversity funds annually between 2020 and
2023, concentrated in the industry, basic materials
and information technology sectors (Morningstar
2025). Biodiversity and natural capital funds are
actively managed financing platforms which channel
investment into biodiversity conservation, restoration
and protection projects via diverse financial
mechanisms.8 These mechanisms may involve the
application of exclusion-based policies on non-
financial corporates that engage in environmentally
harmful activities and the adoption of biodiversity
indicators (e.g. Corporate Biodiversity Footprint,
Biodiversity Impact Measurement and Assessment
Practices) and frameworks (e.g. the Partnership
for Biodiversity Accounting Financials) to guide
investment strategies. While data on the amount
and distribution of finance flows channelled by
biodiversity and natural capital funds is scarce,
it is possible to identify key sectors targeted by
biodiversity and natural capital funds globally.
Granular data at the activity-level is needed to
identify finance flows channelled by these funds to
NbS specifically.
Biodiversity and natural capital funds held a total of
US$1.6 billion in assets under management as of
October 20249, which represented an increase of
nearly 50 per cent since the beginning of the year
(Morgan Stanley Capital International [MSCI] 2024a).
3.3.3 Philanthropic funding
Private philanthropy channelled around US$271
million to NbS in 2023, a decline of 60 per cent
since a peak of US$692 million in 2021 (Figure
18). Biodiversity and biosphere protection absorb
just over half of philanthropic funding, followed
by agricultural land resources (15 per cent) and
environmental policy (15 per cent) in 2023.
8 Bioy et al. (2024) identify three types of biodiversity investment strategies
used by biodiversity funds: Reduction in biodiversity-related impacts (risk-ori-
ented), the provision of solutions to biodiversity loss (solutions-focused) and a
combination of both (mixed).
9 All 24 funds analyzed are domiciled in Europe and only four are located
outside the region (MSCI 2024a).
©
A
do
be
St
oc
k
35 | UNEP | State of Finance for Nature 2026
Figure 18: Philanthropic funding to nature-based solutions, 2015-23, and by sector in 2023 (million US$)
Note: Authors? calculations. Estimates are low-, mid- and upper-bound estimates reflecting uncertainty in project identification. Filtering
criteria ensure that double counting in OECD (CRS) datasets is minimised.
150
40
42
1 3
7
7 7
6 2
1 1 1
4
Biodiversity
Environmental policy
Biosphere
protection
Environmental
education/training
Forestry
development
Disaster risk
Reduction
Fishery
development
Fishery
policy
Agriculture (US$71 billion)
Forestry and fishing
Agricultural land resources
Agricultural
development
Agricultural
research
Agricultural
inputs
Agricultural policy
and administrative
management
Ind?l/
export
crops
General environment protection (US$194 billion)
271
0
200
400
600
800
1,000
1,200
2015 2016 2017 2018 2019 2020 2021 2022 2023
Philanthrophic funding by sector (2023) Mid-point
Upper bound Mid-point Lower bound
36 | UNEP | State of Finance for Nature 2026
While philanthropic funding to NbS has decreased
dramatically between 2021 and 2023, recent
developments may signal renewed momentum. At
COP16 in Colombia, a coalition of philanthropic
organizations including Arcadia, the Becht
Foundation, Bezos Earth Fund and Bloomberg
Philanthropies announced a US$51.7 million pledge
to accelerate development of Marine Protected Areas
(MPAs) in the high seas. This new commitment
signals growing recognition of ocean-based NbS
and reflects the important role of philanthropic
action to fill critical funding gaps in underfinanced
ecosystems (Bloomberg Philanthropies 2024).
Philanthropy can play a catalytic role in financing
NbS by providing early-stage, risk-tolerant capital to
NbS projects and attracting follow-on investments.
It can address governance gaps where public
institutions are weak. Philanthropy can empower
local communities through training and capacity
building, strengthening NbS implementation over
time. Philanthropy may also fund scientific research,
foster cross-sector collaboration and enable
experimentation with innovative approaches, such
as green bonds or pay-for-success models which
other funding sources may find too risky. By bridging
critical financial and institutional gaps, philanthropy
can lay essential groundwork for scaling NbS
(Seddon et al. 2020; van Gerwen 2021; Beer 2022;
McKinsey & Company 2023).
Gender integration in philanthropic funding for NbS
is limited relative to other types of philanthropic
funding. The share of philanthropic funding targeting
NbS in 2023 marked for gender ranges from 1 per
cent for general environmental protection to 100
per cent for disaster risk reduction. However, the
volumes are small as DRR makes up less than one
per cent of philanthropic funding. The low gender
share of NbS-related philanthropy in some sectors
may reflect a narrow focus on ecological or technical
outcomes, overlooking social dimensions including
gender equality that influence long-term success.
To increase impact and alignment with global goals,
philanthropic funding for NbS must better integrate
gender as a core component of effective and
inclusive NbS.
Figure 19: Share of gender marked projects in NbS funding
through private philanthropy (%)
Note: Authors? calculations. Based on OECD CRS (2025b) data.
3.3.4 Environmental non-governmental
organizations
Environmental NGOs (eNGOs) play an important
role in providing NbS finance, particularly in
emerging and developing economies characterised
by greater market volatility and financial risk,
which discourages private investors. NbS finance
channelled through eNGOs generally incorporates
social and environmental safeguards, which helps
local communities harness opportunities associated
with NbS and to participate in their implementation.
A recent study (The Nature Conservancy and Forest
Trends 2025) found that global private sector
(private companies and foundations) investment
in NbS with water-related objectives (e.g. flood
risk mitigation, water supply and quality) was
approximately US$345 million in 2023.
NbS finance channelled via eNGOs is not included
in the quantitative analysis due to limited
availability of data and potential double counting.
ENGOs are for the most part not direct providers of
new funding for NbS, but rather act as intermediaries
between governments, multilaterals and foundations
and recipients. Since public and philanthropic finance
is already reported, and reliable data on eNGO
funding sources is lacking, eNGO expenditures are
not separately accounted for.
Agriculture Forestry Fishing
20%
4%
15%
General
environment
protection
Disaster risk
reduction
1%
100%
37 | UNEP | State of Finance for Nature 2026
3.3.5 Private finance mobilised by Official
Development Finance
Private finance to NbS mobilised by public ODF
is estimated at US$878 million in 2023 reflecting
a sharp 160 per cent increase since 2022 (Figure
20). Public policy instruments including de-risking
mechanisms, e.g. guarantees, co-financing or
public-private partnerships, syndicated loans are
Figure 20: Mobilised private finance to NbS by sector, 2015-23 (million US$)
Note: Authors? calculations. Estimates represent lower-, mid- and upper-bound values reflecting uncertainty in project identification. Filtering
criteria ensure that double counting in OECD CRS 2025 datasets is minimised.
essential for increasing private investment in NbS.
With de-risking mechanisms public actors reduce
the perceived financial risks associated with NbS,
which may encourage private actors with lower
risk tolerance to invest in NbS. Tracking private
finance to NbS mobilised by ODF can indicate
the effectiveness of public policy instruments in
catalysing private NbS finance flows.
In 2023, the largest share (80 per cent) of private
NbS finance mobilised by ODF went to general
environment protection (US$729 million). Smaller
shares went to agriculture (US$88 million), water
and industry (US$39 million) and forestry and fishing
(US$22 million).
Regional analysis identifies Asia as the largest
recipient of mobilised private finance to NbS with
US$426 million in 2023, followed by cross-regional
initiatives (Figure 21). Most of the private finance
mobilised for NbS was channelled through simple co-
financing and guarantees10 underlining the important
role of these de-risking mechanisms.
10 These values represent average mid-point estimates over 2021?2022.
88 22 729 39 878
Agriculture Forestry and fishing General environment protection Others, incl. water and industry
0
200
400
600
800
1,000
1,200
1,400
1,600
2015 2016 2017 2018 2019 2020 2021 2022 2023
878
Private NbS finance mobilised by ODF
by sector (2023) Mid-point
Upper bound Mid-point Lower bound
38 | UNEP | State of Finance for Nature 2026
Figure 21: Private finance for NbS mobilised by ODF per recipient region in 2023 (million US$)
Note: Authors? calculations. Estimates represent lower-, mid- and upper-bound values reflecting uncertainty in project identification.
Filtering criteria ensure that double counting in OECD CRS datasets is minimised.
3.3.6 Carbon offsets
The value of nature-based carbon offsets
traded in the VCM declined by 57 percent from
US$828 million in 2022 to US$ 355 million in
2023 (Ecosystem Marketplace 2024; Ecosystem
Marketplace 2025). Transactions from projects in
agriculture, forestry and other land use (AFOLU) fell
in volume and value, with their share in total VCM
transactions dropping from nearly half in 2022 to just
over a third in 2023. Average prices declined sharply,
reflecting a cautious buyer environment linked
to scrutiny of REDD+ methodologies, particularly
baseline calculations and credit issuance (West et al.
2024). Media coverage questioning the additionality
and integrity of carbon credits in the VCM has
reduced demand and pushed some buyers towards
engineered project types, where carbon savings are
perceived as easier to measure.
Even so, nature-based carbon offsets continued to
command a notable price premium in 2024 (World
Bank 2025), suggesting that investors still see added
value in their biodiversity and social co-benefits.
Reforms introduced in late 2023, including updated
REDD+ methodologies, appear to be restoring
confidence.
Market-based instruments for nature-based
solutions
Private finance remains a modest but growing source
of funding for NbS, mobilising an estimated US$13
billion in 2023 through market-based mechanisms
including carbon and biodiversity offsets and
payments for ecosystem services. These instruments
channel investment into conservation, restoration and
sustainable land use, yet their overall scale remains
small relative to public finance and global needs.
Integrity challenges, policy uncertainty and limited
demand for verified nature-positive outcomes continue
to constrain market confidence. Strengthening
transparency, regulatory coherence and links between
private and public finance will be critical to scaling
credible and sustained investment in NbS.
Investments in biodiversity offsets were estimated
at US$7.1 billion, representing a significant
channel for finance flows into conservation. The
market for biodiversity credits remains nascent,
with investments pledged at US$8 million in 2022
(Manuell 2023). Private payments for ecosystem
services (PES) channelled roughly US$4.2 billion in
2023. The global market for nature-based carbon
offsets, including compliance schemes and the
Voluntary Carbon Market (VCM) was valued at
US$1.3 billion in 2023.
0
100
200
300
400
500
600
700
800
Africa Americas Asia Europe Unspecified
Upper bound Mid-point Lower bound
39 | UNEP | State of Finance for Nature 2026
In compliance markets, US$942 million in private
finance was mobilised in 2023 through national and
subnational programmes. This estimate is based on
the value of credits cancelled under the New Zealand
Emission Trading Scheme (US$679 million), California
Cap-and-Trade Program (US$195 million), Colombia
Carbon Tax (US$57 million) and Australian Carbon
Credit Unit Scheme (US$28 million)11 ? compliance
schemes that allow NbS-related carbon credits12. Many
other compliance schemes, e.g. the European Union
Emissions Trading System (EU ETS), only allow direct
emission reductions from regulated sectors.
Colombia?s carbon pricing policy combines a carbon
tax with an offsetting mechanism, the non-causation
mechanism, which allows liable entities to avoid
triggering the full carbon tax by compensating for
up to 50 per cent of greenhouse gas emissions
associated with the sale, import or consumption of
taxed fossil fuels. Compensation is achieved through
acquisition of emission reduction certificates
or removals that meet eligibility criteria and are
registered in Colombia?s national registry (Allcot
Trading 2023; Gómez 2024). Despite a relatively
low average carbon price of US$5/tCO2e (World
Bank 2025), the scale of finance is substantial with
roughly 11 million NbS-related offsets used against
the carbon tax, generating US$57 million in 2023.
3.3.7 Biodiversity offsets
NbS finance channelled via investment in biodiversity
offsets13 increased from US$6.8 billion in 2022
to US$7.1 billion in 2023. Over 100 countries had
some form of biodiversity offset programme policy
in place in 2019, with 37 countries legally requiring
biodiversity compensation or permitting certain
developments (Bull et al. 2018).
The United States accounted for 87 per cent of the
total with US$6.2 billion invested in 2023, mainly
11 All price data is sourced from the World Bank?s Carbon Pricing Dashboard,
except for Australia?s prices. 2023 and 2024 prices are from Clean Energy
Regulator (CER) quarterly report series, while 2022 price is estimated from
CER market price charts. Details available in technical annex.
12 Other smaller or emerging programmes also permit such credits but are not
included in this estimate due to limited available data.
13 Biodiversity offsets are conservation measures required by law to
compensate for the adverse and unavoidable impacts of development on
species and ecosystems that remain even after other mitigation efforts have
been implemented.
through offset and compensation requirements for
wetlands and streams under the Clean Water Act
and for endangered species under the Endangered
Species Act. India represented the second largest
market at US$0.86 billion, primarily through the
National Compensatory Afforestation Program.
Biodiversity offsetting in the EU is largely
compliance-driven under several regulations,
including the EU Habitats Directive. Annual
transactions reached EUR 350?450 million per
annum, with 65 programmes and 180 projects
across at least 12 EU countries (Benett et al.
2017a). Other regions have provincial programmes
(e.g. Australia), lender-funded projects (e.g. Latin
America) or Biodiversity Net Gain policies (e.g. UK).
Despite the scale of investment, biodiversity offsets
face challenges in design and implementation,
with limited evidence of biodiversity gains from
averted loss offsets and, in some cases, adverse
outcomes. For instance, in Indonesia there is
mandatory compensation for development activities
such as mining, agriculture, infrastructures in forest
concession areas (Global Inventory on Biodiversity
Offset Policies [GIBOP] 2019). Forest losses need to
be offset, involving substantial costs to find suitable
offset areas (Budiharta et al. 2018). To implement a
strict mandatory offsetting scheme, implementation
must be effective. In contexts where government
enforcement is weak, voluntary schemes may prove
more effective (Droste et al. 2022). Further details are
provided in the Technical Annex.
This report recognises that biodiversity offsets are
compensation mechanisms that may not lead to net
positive outcomes for nature. There is a growing
scepticism towards some components of the
market for nature. Voluntary offsets are increasingly
excluded from comprehensive ?nature finance?
definitions due to concerns about integrity and
additionality, with such instruments now viewed
primarily as mitigation tools rather than genuinely
positive investments. However, this analysis includes
finance mobilised through mandatory biodiversity
offset schemes with the rationale that, in the
absence of these schemes, most damage to nature
by developers would not be compensated. Therefore,
the investment in offsets represents a net gain over
this business-as-usual scenario.
40 | UNEP | State of Finance for Nature 2026
3.3.8 Payments for ecosystem services
Private NbS finance flows through PES reached
approximately US$4.2 billion in 2023. PES are
systems for the provision of environmental services
through conditional payments to voluntary providers
(Taconi 2012). Third parties acting on behalf of
users compensate landholders for activities that
maintain or enhance ecosystem services delivery.
The buyer is a public or private entity (such as a
conservation group) that may not directly use the
ecosystem service. While public-sector and donor-
backed programmes still dominate, private sector
engagement in PES is increasing (Wunder et al.
2018).
There were 51 PES schemes documented as active
in 2024, many government- or donor-led. There has
recently been an increase in corporate-led or co-
financed schemes, including watershed protection
initiatives by beverage companies and biodiversity-
linked regenerative agriculture programmes.
Common sectors engaging in PES include forestry,
agriculture (e.g. related to avoided land degradation)
and freshwater supply. To estimate private finance
flows to PES, this analysis multiplies the PES
estimate (US$10.1 billion) reported in OECD (2021)
with the private market share reported by Salzman
et al. (2018), downscaling the result by 22 per cent
and 44 per cent to derive upper and lower bounds.
Further details are provided in the Technical Annex.
3.3.9 Certified commodity supply chains
Private finance flows to NbS via certified
commodity supply chains are estimated at
US$4.6 billion in 2023. Estimates are calculated
based on the additional costs incurred to change
production practices to obtain certification under
recognised sustainability standards. Certified forest
products (US$2.3 billion) dominate, accounting for
half of finance channelled to certified commodity
production (Figure 22). Certified seafood accounted
for more than a third.
Figure 22: Private NbS finance flows through certified commodity supply chains, 2019?23 (billion US$)
Note: Authors? calculations. FSC=Forest Stewardship Council; RSPO= Roundtable on Sustainable Palm Oil; RA-4C=Rainforest Alliance -
Common Code for the Coffee Community; RTRS=Roundtable on Responsible Soy. Based on 4C (2023), GCP (2021), Breukink et al. (2015),
FAO (2020; 2022; 2024a; 2024b), FSC (2020; 2021; 2022; 2023), IDH (2020; 2021a; 2021b), PEFC (2019; 2020; 2021; 2022; 2023a; 2023b),
Proterra (2022), Rainforest Alliance (2021; 2022a; 2022b; 2024a; 2024b), RSPO (2023), Statista (2025), World Bank (2025) and WWF (2022).
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
Certified
FSC-PEFC
forestry products
Certified
seafood
RSPO
certified
palm oil
RA-4C
certified
coffee
RA
certified
cocoa
RTRS and
proterra
certified soy
2019 2020 2021 2022 2023
41 | UNEP | State of Finance for Nature 2026
Investment in the sustainable production and
certification of coffee, palm oil, soy and cocoa
markets remains a huge opportunity to transform
the production of these commodities which play
a major role in driving deforestation, ecosystem
conversion and degradation globally. Investment in
the certification of these commodities amounted
to just US$660 million in 2023 (Figure 22), less
than 15 per cent of the total certified commodity
market. Roundtable on Sustainable Palm Oil (RSPO)
certification garnered US$300 million in private
finance, accounting for roughly 12 per cent of
global palm oil crop area and 20 per cent of supply.
Rainforest Alliance and 4C coffee certification,
which covers nearly a third of global green coffee
production, attracted only US$190 million in
investment. See the Technical Annex for details.
Although investment in certified commodity
production has increased, it remains dramatically
insufficient to address the drivers of nature loss from
unsustainable agri-food systems. Limited access
to capital, particularly for smallholders, and high
transaction costs are key barriers (Hidayati et al.
2021; Raman et al. 2025). Moreover, market demand
for certified goods often lags supply (Jones et al.
2024). In 2023, 39 per cent of Rainforest Alliance-
certified coffee was sold as conventional coffee
due to insufficient demand (IISD 2022; Rainforest
Alliance 2024b). Similarly, 43 per cent of Rainforest
Alliance-certified cocoa was sold as conventional
cocoa (Rainforest Alliance 2024a). Strengthening
partnerships between private finance, governments,
and NGOs could help bridge this gap, fostering
innovation and improving traceability for global
supply chains. As stakeholders prioritise alignment
between environmental, social and economic
goals, a concerted effort to enhance investment
in underfunded sectors, such as certified coffee
and soy, will be critical in achieving long-term
sustainability targets.
3.4 Concluding remarks
Public and private finance for NbS reached US$220
billion in 2023, a five per cent increase from 2022.
Public finance (US$197 billion) continues to provide
the main source of NbS investment, driven largely
by domestic expenditure (US$190 billion) and
complemented by ODF (US$6.8 billion) and DNS
(US$0.6 billion). Private finance (US$23 billion)
remains comparatively limited, mobilised primarily
through market-based instruments (~US$13 billion)
and certified commodity supply chains.
While finance flows for NbS have continued to grow,
they remain far below the levels required to meet
global biodiversity, climate and land restoration
goals. Persistent challenges?including integrity
concerns in voluntary markets, uneven access to
finance, and constrained fiscal space?underscore
the need for stronger policy alignment, improved
transparency and monitoring, and targeted use
of public finance to de-risk and leverage private
investment. Accelerating progress towards the
Global Biodiversity Framework and the Paris
Agreement targets will require systemic integration
of NbS into national budgets, development planning
and private investment strategies.
42 | UNEP | State of Finance for Nature 2026
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43 | UNEP | State of Finance for Nature 2026
Annual finance flows to NbS of US$220 billion
need to increase more than two and a half times
from current levels to US$571 billion by 2030 and
to more than triple to US$771 billion by 2050 to
reach Rio targets.1
This chapter analyses investment needed in NbS to
meet Rio Convention targets based on SFN 2023
modelling. The SFN Rio-aligned scenario quantifies
investment needed to reach 30by30, limit climate
change to 1.5°C and reach land degradation
neutrality by 2030. Total annual investment needs
are based on current finance flows (Chapter 3) and
additional investment needs modelled using the
Model of Agricultural Production and its Impact on
the Environment (MAgPIE), complemented with off-
model sources.
In addition, investment in enabling conditions is
essential to ensure investment in NbS implementation
is effective. Finance can act as an enabler of the
transition to nature-positive outcomes when public
and private actors, domestic and international,
help to build the institutional, policy and market
frameworks that allow capital to flow at scale (IPCC
2022). Investing in enabling conditions includes
improving governance practices around international
1 Investment needs refer to annual financial resources required including
current finance flows as well as additional finance required for new projects to
meet Rio targets.
commitments, uncovering hidden risks by better
understanding risk-return profiles and enhancing the
capacity of systems and actors, ensuring that financial
resources are mobilised and effectively translated into
durable, nature-positive outcomes.
4.1 Investment needs and finance gap
Figure 23 displays investment opportunities in
NbS grouped under protection, restoration and
sustainable land management from 2030 to 2050.2 It
is assumed that current finance flows are committed
to current projects so the modelling focuses on
additional investments needed.
Additional investment needed in 2030 is highest
for restoration at US$181 billion, followed by
sustainable land management (US$101 billion) and
protection (US$68 billion). Additional investment
needed increases from US$350 billion in 2030 to
US$ 550 billion in 2050, driven by the required
scale-up of agroforestry systems (+144 per cent)
and restoration, including reforestation (+28 per
cent). While investment needs for protection
appear low, SFN 2023 and the State of Finance for
2 NbS categories and model assumptions are described in the Technical Annex.
Investment needs for
nature-based solutions4
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44 | UNEP | State of Finance for Nature 2026
51 51 51
51
51
13 13 13
14
15
31
40
48
57
66
18
21
9
10
9
2030
9
2035
9
2040
9
2045
9
2050
571
611
652
711
771
Mangrove restoration*
Saltmarshe restoration
Peatland restoration
Seagrass restoration
Reforestation
Grazing-optimal intensity
Cover crops
Agroforestry-silvoarable
Agroforestry-silvopasture
2023
98 111 124
148
171
29
29
29
29
29
45
36
26
25
23
58
81
104
127
149
220 220 220 220 220220
Avoided mangrove impact*
Avoided seagrass impact*
Avoided peatland impact
Avoided grassland conversion
Avoided deforestation
Protected areas
Protection
Sustainable Land Management
Restoration
2.80.8 2.81.4 2.82.0
2.81.8
2.81.6
11
7 5
6
14
8
Figure 23: Annual investment needs in NbS to reach Rio targets, 2030-2050 (billion US$)
Note: Authors? calculations. *Values not visible in the figure due to low value.
45 | UNEP | State of Finance for Nature 2026
Forests (UNEP 2025) indicate that this is due to its
cost-effectiveness and the low per hectare cost of
protection relative to restoration and sustainable
land management-related NbS. Protection-related
NbS represent roughly 80 per cent of additional land
area needed for NbS by 2030 while absorbing only
20 per cent of additional NbS finance (UNEP 2023).
Where possible, protection should be prioritised.
In the modelling, as climate action intensifies,
pressure on land systems increases. Meeting climate,
biodiversity and land degradation targets requires
allocating more land to forests and regrowth of natural
vegetation, which reduces the availability of land for
agricultural production. This shift drives up the level
of investment needed, particularly in areas of more
efficient agricultural production. Climate pledges of
countries assume that almost 1.2 billion hectares of
land can be prioritised for greenhouse gas removal
(Dooley et al. 2022), an area larger than Canada and
around 11 per cent of the world?s habitable land.
Methodological and data challenges constrain
accurate estimation of global and regional
investment needs. A key issue is the lack of
standardised definitions and taxonomies for what
constitutes an NbS intervention. Different institutions
and studies use different elements from ecosystem
restoration and green infrastructure to biochar and
fire management leading to inconsistent scopes
(Seddon et al. 2021; UNEP 2023). Furthermore, data
gaps, particularly in low-income regions, limit the
precision of cost modelling and investment tracking.
Many countries lack up-to-date land use and
ecosystem data, which hinders robust estimation,
particularly for restoration and conservation efforts
(Davison et al. 2021; Nedd et al. 2021).
The quantitative estimates presented here cover only
a subset of NbS, selected based on their mitigation
potential and data availability and quality. Further
details are provided in the Technical Annex.
4.2 Investing in enabling conditions
While direct investment in NbS is critical to scale
implementation sufficiently to reach Rio targets,
it is equally important to invest in an enabling
environment that incentivises and supports
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mainstreaming finance in nature at scale. This
indirect investment in NbS includes expenditures
related to building enabling policy frameworks,
strengthening local institutions, enhancing financial
market capacity and supporting knowledge systems
and data platforms, along with other leverage
points outlined in Chapter 5. Investment in enabling
conditions, which are often overlooked in headline
figures, are essential for implementation and scaling.
Robust regulatory frameworks are essential to
address risk and mobilise investments to scale local
initiatives (Lebelt et al. 2023). Policy frameworks
and oversight are also important to avoid unforeseen
negative externalities and harm to nature and
communities, which may arise from local initiatives
that do not consider their systemic impact (IUCN
2020).
Investing in NbS is not just an environmental
imperative, it is a high-return, long-term strategy
for economic resilience and intergenerational
well-being. Due to the transformative potential of
NbS and their multiple benefits, investing in NbS
supports the economic and social well-being of
current and future generations. There is ample
evidence that NbS are cost-effective solutions
to many global challenges. One dollar spent on
ecosystem restoration provides economic benefits 7
to 30-times greater (Verdone et al. 2017). A review
of NbS for disaster risk reduction found that NbS
projects are more effective in attenuating hazards
than engineering-based solutions (Vicarelli et al.
2024). With the growth of nature markets, evidence
suggests that businesses can unlock around
US$10 trillion in opportunities and create more
than 395 million jobs by 2030 by prioritising nature
(Trankmann 2025).
46 | UNEP | State of Finance for Nature 2026
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47 | UNEP | State of Finance for Nature 2026
This report has shown how business-as-usual locks
us deeper into further degradation of ecosystems.
In 2023, finance directly harmful to nature reached
US$7.3 trillion, while investments in nature-based
solutions (NbS) amounted to only US$220 billion
? a ratio of more than 30:1 (Figure 24). To meet
global commitments under the Rio Conventions,
NbS investment must increase by more than two
Transitioning finance flows for
nature-positive outcomes
and a half times to US$571 billion by 2030, while
harmful flows must be phased out and repurposed.
Governments need to tackle environmentally
harmful subsidies while increasing investment in
NbS through domestic and international public
expenditure. It is also time for the private sector
to step up and scale investment in nature, seizing
opportunities to nature and climate proof economic
activities and financial portfolios.
5
Figure 24: Nature-negative finance and NbS finance flows in 2023 and future NbS investment needs
US$2.4 tn
public EHS
US$4.9 tn
private
2030 20502023
US$571 bn
US$220 bn
US$771 bn
NbS investment needs
to increase by > 2.5 times to
US$571 billion by 2030
US$220 billion in NbS finance
90% (US$197 billion) is public finance
US$7.3 trillion in public and private
nature-negative finance flows
30X greater than NbS finance
NbS investment needed
NbS finance flow in 2023
Nature-negative finance (public)
Nature-negative finance (private)
48 | UNEP | State of Finance for Nature 2026
5.1 A Nature Transition X-Curve
To spark the ?Big Nature Turnaround?, this report
proposes a pragmatic conceptual framework with
transition pathways that set out leverage points
towards a future nature-positive economy. These
leverage points represent actions for governments,
financial institutions and businesses to tackle nature-
negative finance and increase investment in nature
(see the Technical Annex for a full list). It is only by
implementing the Nature Transition X-Curve across
sectors that the US$7.3 trillion in global nature-
negative finance can be phased out and repurposed.
Transformative change on this scale is challenging
but possible. Reforestation of degraded land at a
national scale in Costa Rica was enabled through the
introduction of financial incentives through a levy on
fossil fuels. In Denmark the transition away from fossil
fuels and to on- and off-shore wind was incentivised
through energy taxes allocated to wind energy
research, feed-in tariffs and carbon taxes (UNFCCC
2023). This type of change requires vision with strong
policy signals, grounded in actionable evidence-based
transition plans.
The Nature Transition X-Curve (Figure 25) illustrates
how transformative change is actioned through
transition pathways (Wittmer et al. 2021; Hebinck et
al. 2022). Achieving nature-positive outcomes requires
phasing out finance for activities that drive the loss of
nature (red line) and phasing in (scaling up) finance
for activities that support nature (green line). Enabling
conditions for the transition include the creation of
actionable knowledge to reshape existing practices
(dark blue line), approaches for engagement and
equity for key stakeholders (light blue line), particularly
IPs and LCs and the development of shared vision
(orange box). Aligning this vision with goals set by
the Rio Conventions (orange box) can help inform the
pathways needed (Wittmer et al. 2021).
Figure 25: The Nature Transition X-Curve ? A framework for the transition to a nature-positive society
Note: Authors? illustration. Building on Loorbach et al. 2017; Wittmer et al. 2021; Hebinck et al. 2022.
Activities with
negative impacts
on nature
Knowledge
Activities with
positive impacts
on nature
Engagement
and equity
Living in harmony with nature
Land degradation neutrality
Limiting global warming
to 1.5° C
Achieving Rio
Convention targets
Vision Scaling up Engagement and equityPhasing out Knowledge
Vision
Human and planetary
well-being based on
investing in nature and
economic activity that
builds resilience
Nature-
positive
outcomes
Nature-
negative
outcomes
49 | UNEP | State of Finance for Nature 2026
Transition planning towards nature-positive
outcomes requires action by government, central
banks and supervisors, financial institutions and
corporates as well as IPs and LCs and local actors.
By using this framework actors at different scales
can develop tailored Nature Transition X-curve
prioritising the leverage points and activities
relevant to them.
Distinctions can be made between short-term
actions that provide the foundation for medium-
term developments, and those that set the stage for
long-term transition. Together they can achieve the
needed transition across sectors. Early initiatives
such as assessing and disclosing nature impacts
and dependencies, promoting nature financing
instruments and pilot projects, may support longer-
term systemic goals. However, incremental change
through transition plans will not be sufficient to
avert the climate, nature or ecosystem degradation
crises affecting so many communities already.
Urgent systemic transformation is critical (IPBES
2019; IPBES 2024a).
5.2 A Nature Transition X-Curve for
policymakers
To illustrate how the Nature Transition X-Curve
can be applied, this section offers an X-curve for
policymakers (Figure 26). To drive the transition
towards nature-positive outcomes, clusters of
leverage points for policymakers are identified.
The leverage points cover different themes such
as governance, laws and policy reform, systemic
coherence and integration, equity rights and
participation.
A selection of leverage points is shown in coloured
boxes along the transition pathways. Red boxes
indicate what should be phased out over time and
the green boxes identify what should be phased in or
scaled up. Knowledge (dark blue), engagement and
equity (light blue) and vision (orange) are essential
enabling conditions. The mapping does not reflect
priority, relevance, effectiveness or sequencing of
implementation, which will depend on local context.
The Technical Annex has a full list of leverage points.
The X-curve can inform the development of strategies
for more sustainable finance action by different
actors. For example, certain departments within
governments and financial institutions may focus
on standards, metrics and data, while others may
focus on instruments, alignment with processes
and capacity building. However, it is critical that
strategies like climate transition plans at national and
corporate level are coherent and create synergies. By
identifying leverage points for transformative change,
policymakers can target actions that form the basis of
a transition plan.
50 | UNEP | State of Finance for Nature 2026
Vision Scaling up Engagement and equityPhasing out Knowledge
Vision
Agree on a goal
and definition for
a nature-positive
economy
Reform subsidies
harmful to nature Support workers and
businesses affected
by the green transition
Mandatory standards for
disclosure of impacts
and dependencies
Fiscal instruments to
disincentivize harmful
environmental
practices
Ensure carbon
markets meet strong
environmental and
social standards
Act on legal and financial
liabilities of investment that
harms climate and nature
Embed NbS in
legal systems
Develop verification
and certification for
nature-related
investments
Increase public
investment in nature
through green budgeting
and procurement
Support
integrated
landscape
initiatives
Use fiscal
incentives to
attract private
capital for nature
Regulation that
rewards sustainable
finance
Foster
public-private
partnerships for
blended finance
and de-risking
Align climate
and biodiversity
agendas
Recognize the
rights of local and
Indigenous
communities
Support developing
countries in designing
sustainable
development pathways
Recognize the
connection between
poverty eradication
and biodiversity
conservation
Improve funds and market
access for women and
marginalized groups
Strengthen local
democracy and
community control
over land use
Design policies to ensure the
participation of women, youth and
smallholder producers in decision
making following GESI principles
Design inclusive trade
policies respecting
indigenous & local rights
and gender (GESI)
Create high-integrity
markets for nature
and NbS
Promote innovative nature
finance like debt-for-nature
swaps, green bonds and
impact funds
Require biodiversity
impact assessments for
investments using
credible,
nature-inclusive
standards
Strengthen
environmental
considerations in
trade rules and
incentives
Embed nature impacts
and dependencies in
monetary policy and
supervision
Mandate finance
institutions to divest
from nature-negative
activities
Create standard metrics and methods to show
benefits of NbS and nature-positive investments
Integrate diverse knowledge systems, including
indigenous, ensuring data sovereignty
Expand financial education for
underserved populations
Adopt
regenerative
views, structures
and practices
Develop sector-specific
nature-positive
transition pathways
and policy frameworks
Mainstream nature
in the global
economic agenda
Nature
positive
outcomes
Nature
negative
outcomes
Living in harmony with nature
Land degradation neutrality
Limiting global warming
to 1.5° C
Achieving Rio
Convention targets
Figure 26: Nature Transition X-Curve for policymakers
Note: Authors? illustration.
51 | UNEP | State of Finance for Nature 2026
5.3 Using the X-curve to inform action
Developing a vision
A whole-of-government approach to climate,
biodiversity and restoration helps to ensure policy
coherence across sectors in phasing out finance
that is negative for nature and promoting finance
with nature-positive outcomes.
Integrating NbS and a vision for a nature-positive
economy into National Biodiversity Strategy and
Action Plans (NBSAPs), Nationally Determined
Contributions (NDCs), Land Degradation Neutrality
(LDN) strategies and other national strategies, e.g.
related to bioeconomy, can provide an opportunity
for creating synergies in implementation and
financing across the Rio Conventions and the SDGs.
In parallel, jurisdictions like China and the EU are
developing legally binding reporting requirements for
corporations and financial institutions (GBF Target 15).
Governments are implementing national accounting
systems integrating nature following guidance from
the System of Environmental Economic Accounting
(SEEA) (GBF Target 14). Understanding human-nature
connectedness should be mainstreamed and an integral
part of education, health, spatial planning, infrastructure
development, communication and art. These actions
have the potential to shift mindsets and paradigms
towards more nature-based principles. Broad-based
adoption of regenerative policies and practices can push
social norms away from consumerism towards more
sustainable lifestyles. It is also important to recognise
and integrate diverse forms of knowledge, worldviews
and values including those of IPs and LCs, many of which
have deep knowledge and relationships with nature.
Governments should support the development of a
global standard on nature. In early 2024, the International
Sustainability Standards Board (ISSB) decided to initiate
work on nature-related issues and recently announced
that it will draw on the recommendations of the TNFD.
Following the release of the International Financial
Reporting Standards (IFRS) S1 standard on sustainability
and the IFRS S2 standard on climate-related disclosures,
a third standard on nature would help to establish a
global baseline on nature reporting. There is growing
support ? 77 per cent of investors would like to see a
nature standard (TNFD 2025).
Phasing out nature-negative finance
If policymakers repurpose harmful subsidies
and eliminate incentives for nature?negative
activities, they can help enable incentives
for nature-positive outcomes and support
workers and businesses in affected sectors.
This includes re-training, dedicated credit lines,
transition assistance and alleviation measures
to promote a just transition (UNDP 2024).
Biodiversity should be embedded in central bank
and financial supervisory mandates to mainstream
nature into supervisory frameworks and monetary
policies. Metrics on biodiversity impacts and
dependencies could become part of portfolio
management and drive financial sector alignment.
This includes requiring all large companies and
financial institutions to systematically assess,
monitor and publicly disclose their nature-related
risks, impacts, dependencies and opportunities
(DIRO) by enacting binding disclosure laws and
harmonising standards (e.g. TNFD, CSRD and ISSB).
Public and private finance can work against
each other when providing conflicting
incentives. Nature-positive outcomes should
be mainstreamed, and policy coherence
prioritised across ministries including ministries
of finance (German Development Cooperation
2025). Improving collaboration and governance
frameworks for the protection and management
of shared and transboundary natural resources
is critical for ensuring sound ecosystem
management. Mainstreaming of nature across
the global economic agenda can help identify and
phase out nature-negative finance, supported
by Key Performance Indicators (KPIs) to align
governments, businesses and financial institutions
with Rio targets (Mirzabaev et al. 2023).
Embedding gender and social equality in
disclosure laws and standards will enhance
inclusive, effective and sustainable outcomes.
Such information can guide investors in decision
making on divesting from assets related to nature-
negative impacts or engaging with clients to
promote climate and nature transitions (Finance
for Biodiversity Foundation [FfBF] 2022). This
can be facilitated by embedding NbS into legal
52 | UNEP | State of Finance for Nature 2026
systems and incentives that promote nature-positive
finance flows such as taxonomies and standards
defining criteria for investment in NbS, criteria
defining nature-negative finance and establishing
?do no harm? guidance.
Governments, finance and business need to take
account of the growing legal and financial liabilities
associated with investments that harm the climate
and nature. The recent International Court of Justice
(ICJ) Advisory Opinion affirms States can be held
internationally responsible for failing to meet their
obligations to prevent and address climate change.
As part of due diligence, governments should regulate
private actors, including financial institutions, whose
investments may contribute to nature and climate-
destructive activities (König-Sykorova et al. 2025).
Box 2: Finance sector roadmap
A finance sector roadmap has been developed
to guide how the global financial system should
respond to and align with the GBF. This strategic
framework outlines the critical role financial
institutions must play in supporting biodiversity
conservation and sustainable development
goals. A detailed report card was released
at CBD COP16, providing an assessment of
progress and identifying key areas where the
financial sector needs to accelerate biodiversity-
related initiatives (CBD 2025). Another report will
be presented at COP17 in Armenia in 2026. This
report will feature actions and implementation
strategies for financial institutions to further
integrate biodiversity considerations into their
operations and investment decisions.
Scaling finance for nature-positive outcomes
By prioritising efforts to catalyse and unlock
private capital for NbS and nature, policymakers
play a key role in promoting sectoral strategies,
supporting green-finance instruments, such as
biodiversity-linked bonds and blended public-
private finance.
Governments can introduce regulations and
fiscal incentives that reward early adopters of
sustainable finance models and foster public-private
partnerships to de-risk nature-positive investments.
Governments can also support innovative economic
instruments including insurance products that
integrate nature-related risks and opportunities,
debt-for-nature swaps, biodiversity-focused green
bonds, impact funds, seed-funding for nature-
positive businesses, microcredits, digital services
and other experimental pilots that can catalyse
new markets (BIOFIN 2025). To ensure credibility
and additionality, governments must support
development of standard metrics, baselines and
methods for measuring the benefits of NbS for
robust verification and certification.
Scaling up NbS requires demonstrating their
economic value and integrating them into public
finance and development strategies.
NbS investment can be scaled by showcasing their
cost effectiveness and ability to generate revenues
(Economics of Land Degradation [ELD] 2013; Verdone
et al. 2017; Thomas et al. 2024). For example,
integrating NbS into green-grey infrastructure not
only enhances public benefits from nature (e.g.
flood control, urban cooling and recreation) but
also reduces costs (e.g. in stormwater treatment,
provision of clean drinking water, avoided healthcare
costs), making NbS an economically attractive option
(European Investment Bank 2023). Governments can
increase public investment in nature through ?green
budgeting? and ?green public procurement? and scale
concessional finance, including preferential agricultural
credit/loans. Creating national and global funding
mechanisms that promote NbS can support the SDGs
(Cumming et al. 2017).
Greening public finance can also ?nature proof?
ODF. Mainstreaming nature into the global economic
agenda by establishing requirements for national and
international finance institutions to remove nature-
negative lending and addressing sovereign debt
challenges that hinder investment in nature can help
phasing out nature-negative finance and support more
coherent finance strategies for nature. Ensuring that
53 | UNEP | State of Finance for Nature 2026
NbS are integrated in ODF and development funds
(e.g. Global Environment Facility) supports alignment
of finance with Rio targets. Establishing science-
based metrics and baselines for monitoring and
verifying impacts of investment is critical to ensure
credibility, create trust and avoid greenwashing.
Box 3: Scaling revenue for nature
While much of the discourse on domestic NbS
and nature finance focuses on spending, the
sustainability and sufficiency of government
revenues is equally important. This is critical in
developing economies, where tax-to-GDP ratios
are low and fiscal space is constrained. Tax
revenue generated by increased economic activity
associated with NbS can strengthen the business
case for public actors (Triodos 2025). Growing
opportunities lie in carbon and biodiversity
pricing instruments, including emissions trading
systems (ETS) and carbon taxes. In 2023, income
generated through regulated sources under ETS
reached US$240 billion (International Carbon
Action Partnership [ICAP] 2024; World Bank 2024).
In parallel, government revenues from carbon
taxes, currently applied to just under five per cent
of global emissions, rose from US$25 billion in
2020 to US$33 billion in 2024. Around 52 per cent
of carbon revenues (US$47 billion) have been used
for climate and nature, with half of jurisdictions
dedicating all or part of revenues to this aim
(Institute for Climate Economics [I4CE] 2024).
Revenue generated from biodiversity-related
taxes were roughly US$10.9 billion (mean average
2020?2022), with 92 per cent in OECD countries.
This represents only 0.06 per cent of global tax
revenue (OECD 2024a). Strengthening domestic
revenue mobilisation through progressive
taxation, subsidy reform and the integration of
natural capital accounting is vital to align public
budgets with biodiversity targets in national
development plans and global frameworks, such
as the GBF. The Revenues for Nature Guidebook
(Green Finance Institute 2025) series details
several models that governments can apply or
support to increase nature-related revenues.
To unlock private sector investment in NbS,
public policy can create the right incentives,
reduce risks and support viable markets that
reflect the full value of nature as well as push
forward regulatory reform where needed.
Many ecosystem services are public goods and
provide multiple benefits that may not have direct
private financial returns but do support resilience
(e.g. in supply chains) which can generate cost
savings and mitigate financial losses. Fiscal and
policy instruments (e.g. through fiscal transfers)
can provide market signals that account for the
many benefits provided by nature and to catalyse
private investment in NbS. Public finance can play
an important role to mobilise private sector finance
for NbS by co-financing and de-risking investment
through blended public-private finance solutions,
green bonds, insurance schemes, debt-for-nature
swaps and others (UNDP BIOFIN et al. 2024)
Multilateral Development Banks (MDBs) can
play an important role in enabling public-private
partnerships and blended finance schemes (OECD
2025d). Engagement of public and private financial
institutions is critical. This includes scaling
concessional finance providing more favourable
conditions for investment in NbS or insurance
products that use NbS to build resilience and de-risk
insurance schemes (UNDP BIOFIN et al. 2024).
Policymakers play a critical role in exploring
and incentivising opportunities to expand the
implementation of nature-based solutions
across the real economy.
NbS are being implemented to construct wetlands
around cities to avoid flooding whilst delivering
a consistent water supply. Green urban spaces
reduce ?heat island effects? during summer months
plagued by increasing heatwaves. In utilities,
energy transmission lines can create corridors for
wildlife, and offshore windfarms can be retrofitted
to create net-positive reefs for marine biodiversity.
Self-healing concrete using bacteria to prolong the
life of buildings is emerging as a new cost saving
measure, whilst in apparel, mushrooms can be
grown to deliver vegetable-based leather for shoes
54 | UNEP | State of Finance for Nature 2026
or handbags. The Little Book of Nature Business
sets out an ?investment opportunity framework for
nature? that offers over 100 case studies of scalable
opportunities in business today (Little Book of
Nature Business 2025). The TNFD provides more
limited guidance and use cases on several nature
opportunities (TNFD 2023b).
If market-based approaches for NbS, such as
carbon and biodiversity markets, follow robust
environmental and social standards, they can
contribute meaningfully to scale up investment in
nature-positive outcomes, including safeguarding
integrity and equity. Seed funding for nature-
positive businesses can help to promote innovative
approaches and experimental spaces for, for
example, enterprises that use nature as a core
element of their products and/or services e.g.
regenerative agroforestry.
Engagement and equity for rights-holders
NbS are most effective when they arelocally
grounded, inclusive and equitable.
Promoting local leadership in the design
and implementation of NbS ensures that
interventions are context-specific and responsive
to local ecological, cultural and social dynamics.
Gender and social equalityare critical dimensions
of inclusivity. Local stakeholders, particularly IPs
and LCs, hold key rights over land and resources
and should lead (or at minimum be engaged
fully and supported to participate) in the design
and implementation of NbS. This includes free,
prior informed consent (FPIC) of IPs and LCs and
protecting land and access rights when investing in
nature as well as integrating customary knowledge
and worldviews into the design of NbS and related
finance mechanisms. Ensuring equity among actors
requires participatory processes fostering inclusion
and co-design, enabling actors to assert their rights
and determine their futures. Transforming to a nature-
positive economy requires creating fair and equitable
models of working with nature including benefit
sharing of nature assets and financial returns, valuing
equally nature and social outcomes. Transformative
knowledge and the equity of local actors is key for
designing and financing nature transition plans.
Policymakers should work to reduce power
inequalities between actors including those
negatively impacting women to ensure that
finance flows into nature-positive activities
while supporting a just transition.
This can be done by using participatory processes,
including co-creation, co-monitoring, co-evaluation
and citizen science in the process of developing
and implementing NbS (IISD 2024). Recognising
the connection between poverty eradication and
biodiversity conservation is important as many
people depend on ecosystems for their livelihood
(UNEP FI 2023). This can include promoting financial
education programmes for underserved populations
and creating better access to funds and markets by
women and marginalised groups (Rubio et al. 2021).
Protection for environmental defenders/activists and
supporting students to become ecological leaders
can promote ownership and the long-term success
of NbS. Governance structures at international
financial institutions could be revised to empower
nature-rich countries in financial decision making,
including more inclusive trade policies that respect
ambitious environmental standards.
Knowledge
Enhancing data and knowledge systems,
including tools and indicators to track progress,
enables policymakers to foster investment
aligned with nature-positive outcomes.
Ensuring accessibility and coherence of data allows
investors, regulators and communities to make
informed decisions. Enhancing access to open-
source, location-specific measurement tools that help
quantify impacts and dependencies on ecosystems
can complement existing sector-specific assessment
tools like ENCORE (2025). Accounting for the multiple
benefits from ecosystem services should become an
integral part of assessing the costs and benefits of
investments, for example, as part of environmental
impact assessments (e.g. infrastructure
development), regulatory impact assessments (e.g.
the effects of laws and regulations such as subsidies)
and budget decisions (e.g. public procurement).
Establishing standards for impact accounting to
estimate the costs of ecosystem service loss and the
55 | UNEP | State of Finance for Nature 2026
benefits from restoration can support more informed
investment decisions (VBA 2025).
However, not all benefits can be adequately expressed
in monetary terms as nature provides multiple
values and preferences, and priorities differ among
stakeholder groups. Hence, such approaches should
recognise multiple forms of knowledge, worldviews
and values, including those of IPs and LCs. Recognising
the benefits of nature including its contributions to
human health as well as the rights of nature is
integral to achieving more positive outcomes for
people and nature. Furthermore, by exploring
the role of emerging technologies (e.g. using
blockchain and artificial intelligence (AI) for supply-
chain transparency and traceability) governments
can support the generation of high-quality data,
which can create transparency and trust and drive
investments toward more NbS with multiple public
and private benefits.
BOX 4: State of Finance for Nature in Colombia
Colombia is one of the world?s most biodiverse countries, home to nearly 10 per cent of known species
across ecosystems that span two oceans, the Amazon rainforest, deserts and the Andes. This richness
offers potential for eco-tourism, sustainable agriculture and a bioeconomy which can drive inclusive
growth and resilience. However, the country has experienced alarming rates of deforestation even within
protected areas, losing over three million hectares of forest in the past two decades, driven by agriculture,
illegal activities and infrastructure development. This trend risks neutralising the forest carbon sink in the
Amazon (Flores et al. 2024), undermining ecosystem services vital for communities, while climate change
is intensifying floods and droughts.
NbS present a range of direct and enabling activities to mitigate biodiversity loss, climate risks and
deforestation, while supporting rural and indigenous livelihoods and advancing the transition to a nature-
positive society. There is a strong case to harness the potential of NbS as cost-effective solutions in
Colombia, further strengthened by synergies across climate, biodiversity and avoided land degradation. In
2023, around half of all ODF targeting NbS received by Colombia delivered against all three Rio Conventions.
NbS finance flows to protected areas, blue-green infrastructure, wetland and landscape restoration,
climate-smart agriculture and integrated land and water management. Public domestic expenditure on
NbS in Colombia grew from US$1.2 billion in 2022 to US$1.5 billion in 2023. Biodiversity expenditure
averaged US$0.54 billion annually between 2010 and 2020, far below the US$900 million recommended
(0.3 per cent of GDP) to achieve Rio targets.
Agriculture and forestry companies contribute substantially to private NbS finance with US$0.5 billion annually
invested in sustainable commodity sourcing and production. Private sector engagement is expanding, with
over US$1.2 billion in green bonds issued in 2023, alongside biodiversity credits, PES schemes and carbon tax
revenues exceeding US$0.6 billion ? mostly linked to forestry and REDD+ initiatives.
To strengthen Colombia?s policies, an integrated approach to support the transformation can potentially
improve the investment environment without negative social consequences. The transformative change
framework in Table 4 is clustered around five building blocks.
Colombia?s path to a nature-positive economy depends on systemic change. By aligning finance with
ecological priorities, strengthening governance tools like the green taxonomy and redirecting harmful
subsidies, Colombia can accelerate conservation and restoration action. Empowering IPs and LCs as
co-implementers ensures legitimacy and long-term stewardship, while innovative blended finance can
unlock the scale of investment required.
56 | UNEP | State of Finance for Nature 2026
Table 4: Transformative change framework for policymakers in Colombia
Current status Identified leverage points
Vision: Colombia has adopted a rights-based
and biocentric approach, embedding nature into
governance and peacebuilding, aiming for a nature-
positive society by reversing biodiversity loss by 2030.
National policies?including Territorial Integrated
Climate Change Management Plans, the 2020 National
Bioeconomy Strategy, the Biodiversity Action Plan
2024?2030 and the Green Growth Program?support
green jobs and bioeconomy growth through fostering
sustainable sectors.
? Secure legal and economic rights for IPs as NbS
co-implementers
? Embed NbS targets in long-term strategies like the
Bioeconomy Strategy, updated NDCs and NBSAPs
Scaling NbS finance: Investments in NbS are growing
through innovative financing, PES, biodiversity credits
and green bonds, though alignment and scale remain
limited.
? Set clear policies and incentives
? Tailor NbS to local ecosystems
? Scale investment through incentives, sustainable
debt products and blended public?private finance
? Support nascent nature markets, e.g. biodiversity
credits
Phasing out nature negative: Public EHS (US$7.5
billion for fossil fuel, US$2.5 billion to agriculture) and
private nature-negative investments (US$9.7 billion)
outweigh finance to NbS. This undermines progress
but offers opportunities to re-direct these flows and
unlock cost-effective alternatives.
? Repurpose fossil fuel subsidies
? Integrate NbS into climate policy and channel
climate finance to ecosystem restoration for
carbon removal
? Require business and financial institutions to
assess and disclose nature-related financial risks
and dependencies
Knowledge: The Green Taxonomy provides a
foundation for classifying sustainable activities, but
NbS need stronger metrics, registries and transparency
mechanisms. Technical expertise and standardised
tools are key for scaling investments.
? Expand the Green Taxonomy to prioritise NbS
projects
? Create a centralised NbS registry
? Develop national metrics and expand training and
technical assistance to local actors
Engagement and equity for rights-holders: IPs and
LCs manage vast areas and are central to NbS through
defence of nature, stewardship, traditional and local
knowledge. Supporting local leadership ensures
legitimacy, ownership and sustainability of NbS
projects.
? Recognise and enforce the rights of IPs and LCs
and nature
? Build capacities, increase engagement and ensure
equity for IPs and rural communities
? Establish collaborative models for NbS design,
implementation and monitoring
57 | UNEP | State of Finance for Nature 2026
BOX 5: State of Finance for Nature in ASEAN
Finance flows for NbS in ASEAN need to increase seven-fold to reach Rio Conventions targets by 2030
(Figure 27). An SFN study in ASEAN provides an overview of current finance for NbS and nature-negative
finance flows and suggests how to get the wheel turning to close the NbS investment gap. Over the past
decade, ASEAN3 countries have made significant progress in integrating NbS into national development
priorities, leveraging regional cooperation and mobilising public and private investment for environmental
sustainability. Several ASEAN Member States (AMS) have embedded NbS in climate, biodiversity and
land degradation neutrality strategies, launched pilot projects that demonstrate real impact and enhanced
institutional frameworks to catalyse finance for nature. These efforts reflect a growing recognition across the
region that investing in nature is not only essential for ecological resilience but also offers significant socio-
economic benefits.
Figure 27: Current NbS finance flows, NbS investment needs and nature negative finance in ASEAN
Source: ASEAN SFN Regional Report (forthcoming). Values are in US$ billion 2024 prices.
Despite growing NbS finance ? the NbS investment gap remains substantial:
? Public domestic NbS expenditure increased by seven per cent to US$4.8 billion from 2022 to 2023.
? Private NbS finance reached US$2.6 billion in 2023 via market-based and results-based mechanisms.
? Finance flows harmful to nature are estimated at US$320 billion in 2023.
? NbS investment needed to reach Rio targets by 2030 is projected at US$54 billion annually. Current NbS
finance flows need to increase seven-fold to close the investment gap.
3 ASEAN aims to accelerate the economic growth, social progress, and cultural development in the region through joint endeavours in the spirit of equality
and partnership. https://asean.org/what-we-do/. The Association of Southeast Asian Nations (ASEAN) was established in 1967 and has 10 Member States
-Brunei Darussalam, Cambodia, Indonesia, Lao PDR, Malaysia, Myanmar, Philippines, Singapore, Thailand and Vietnam.
US$320 bn
US$8 bn
US$54 bn
US$49 bn
37 32
5
8
Protection
Restoration
Sustainable land management
Additional
NbS finance from
public and private
sources
2 4
in nature-negative
activities
Current flows
to nature-based
solutions
Investment needed to
achieve Rio targets
155 bn public
165 bn private
2030 205020232023
x7
Repurposing nature-negative activities toward
nature-positive investments would significantly
narrow the funding gap in ASEAN
58 | UNEP | State of Finance for Nature 2026
Leverage points for transformative change in ASEAN
Vision
ASEAN?s commitment to sustainable development and ecosystem resilience is reflected in its biodiversity
and climate frameworks. There are signs of a regional consensus on the importance of nature-positive
development. To scale up, this vision must be consolidated across economic, sociocultural and
environmental pillars and anchored in investment, trade and financial strategies. The ASEAN taxonomy for
sustainable finance represents a crucial step in this direction.
Scaling up finance for nature-based solutions
ASEAN is engaging in multiple efforts to expand finance for NbS, e.g. the ASEAN Climate Finance Access
and Mobilization Strategy, the ASEAN Green Initiative and ASEAN Guidelines on Nature-Based Solutions. The
leverage points below offer sector-specific policy measures that can support the formulation of national and
regional policies.
? Developing policy and institutional frameworks for mainstreaming NbS;
? Enabling private investment in sustainable forestry through nature-related risk assessment and
monitoring;
? Leveraging high-integrity carbon markets to channel finance into NbS;
? Scaling up financing via payments for ecosystem services schemes;
? Bridging data and knowledge gaps on NbS by harnessing existing knowledge platforms;
? Scaling market demand for NbS through sustainable public procurement; and
? Mobilising private capital for NbS in agriculture through de-risking instruments.
Phasing out nature-negative
The ASEAN Joint Statement on Climate Change to COP29 (2024) calls for stronger coherence across public
policy, sustainable finance taxonomies and disaster risk financing ? a platform from which EHS reform efforts
can gain political traction. Clear definitions, impact screening and regional cooperation mechanisms (e.g.
through the ASEAN Disaster Resilience Platform) can support the reallocation of subsidies and investment
toward more regenerative sectors. The ASEAN Taxonomy for Sustainable Finance offers already guidance.
The ASEAN SFN presents the repurposing of environmentally harmful subsidies through time-bound transition
plans as a key leverage point for phasing out nature-negative finance.
Engagement and equity
Equity, engagement and empowering stakeholders are essential to drive the nature-positive transition.
ASEAN?s frameworks recognise this through the promotion of social forestry, community-based natural
resource management and inclusive urban adaptation strategies across NDCs, NBSAPs and LDNs. However,
access to finance, technical support and decision-making power remains uneven. Regional efforts, such as
the ASEAN Socio-Cultural Community Blueprint and the ASEAN Working Group on Climate Change Action
Plan, should be used to enhance capacity-building and equitable access to nature-positive finance. This
includes supporting IPs and LCs, SMEs and local governments through targeted financing mechanisms,
inclusive governance models and fair benefit-sharing arrangements.
Knowledge
Knowledge gaps and data limitations on private finance flows, biodiversity outcomes and ecosystem
service values hinder scaling up NbS finance. Data gaps must be closed and systematically integrated
in national and regional databases. Standardised frameworks and regional cooperation on monitoring
systems can enable transparent, harmonised tracking of nature-related financial flows. Additional potential
lies in expanding knowledge platforms and regional dialogues to share experiences, harmonise methods
and promote innovation.
59 | UNEP | State of Finance for Nature 2026
5.4 Concluding reflections
What kind of society do we want to live in? The
GBF challenges governments to make a choice
between a business-as-usual economic trajectory
towards breaching all nine planetary boundaries, a
climate that is even hotter than today and oceans
with more plastic than fish, undermining the
stability of the global economy and the financial
system. Or a more sustainable, climate resilient and
nature-positive society, where NbS are integrated
across economic sectors, from real estate and
infrastructure to manufacturing and agriculture.
Some opportunities include:
Opportunities in cities. The choice is between
cities that are concrete jungles, unable to release
heat absorbed from the warming climate or cities
that adapt and integrate green infrastructure such as
parks and wetlands for recreation, cooling and flood
control while delivering human well-being, liveability
and productivity.
Opportunities in food systems. Industrialised
agri-food systems, where soils are exhausted and
dependent on chemical inputs, are in a race to the
bottom where environmental costs are externalised
to society and profits are concentrated in a few big
businesses. The alternative is agri-food systems
that transition to regenerative practices, improving
soil health, deploying integrated systems (including
agroforestry) to optimise diversity, yields, livelihoods
and nutrition with improved ecological conditions.
Opportunities in infrastructure. Governments
can continue to encourage grey infrastructure that
is increasingly vulnerable to weather extremes
and takes little account of impacts on nature.
Alternatively, governments can use NbS as
infrastructure, for example, oyster reefs to clean
polluted port water, wetlands as cost effective
filtration systems for municipal water utilities and
nature-based self-healing building concrete to
reduce maintenance costs of roads.
The ?Big Nature Turnaround?. The goal is to re-
direct the US$7.3 trillion contributing to nature-
negative outcomes and to re-purpose it to deliver
nature-positive outcomes. The Nature Transition
X-Curve suggests how this can be done. The
evidence and analysis of NbS finance allows society
to track how it is doing in relation to the goals set out
by the Rio Conventions. We encourage readers to use
the findings to visualise what a more climate resilient
and nature-positive society looks like and how it can
become a reality.
Investing in nature. We should not look at investing
in nature as a ?nice to have? or something that is
disconnected from the economy. The only way
to meaningfully increase investment into NbS
and to reduce nature-negative capital flows is by
embedding a nature-positive approach into every
aspect of our lives, in every sector across the
economy, so that it becomes a central theme of
government expenditure and in investment decisions
of financial institutions and businesses. We hope
this report will support more informed lending and
investment decisions. In the end, the prosperity of
the economy and the stability of the financial system
depends on intact nature (NGFS 2022).
60 | UNEP | State of Finance for Nature 2026
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61 | UNEP | State of Finance for Nature 2026
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71 | UNEP | State of Finance for Nature 2026
Technical Annex
Nature-negative finance
Table A1: Public nature-negative finance: Environmentally Harmful Subsidies (EHS)
Source dataset(s): IISD-OECD fossil fuel subsidy tracker (IISD-OECD 2025), OECD Estimate of Support to Agriculture
(OECD 2024a), EarthTrack (2022; 2024).
Approach: A literature review identified sources of subsidies targeting agriculture and fossil fuels. Annual estimates
for country-level fossil fuel subsidies are from Fossil Fuel Subsidy Tracker (IISD-OECD 2025) that covers 192
countries. Agricultural EHS estimates are derived from annual Estimates of Support to Agriculture (OECD 2024a) and
are calculated as the ?most distorting support?, which is the sum of positive market price support, output subsidies
and input subsidies which allow unconstrained use of variable inputs. Positive market price support encourages
overproduction by raising the price of output above the market price, while subsidies which do not constrain the use of
inputs have harmful impacts on nature (OECD 2024b). Estimates on water, transport, forestry, construction, fisheries,
non- energy mining and plastics are from EarthTrack (2022; 2024) and adjusted for constant 2024 US$ prices. For
these categories, 2019 to 2021 constant values are assumed to be the 2022 estimate, where available, or 2023 value
otherwise.
There are significant data gaps, particularly at sectoral and sub-industry level, and for mining, manufacturing and
infrastructure sectors in emerging and developing economies. Moreover, the size of a subsidy may not reliably indicate
the scale of its harmful impact, as even small subsidies can have substantial environmental damage depending on
local ecological conditions (Biodiversity Finance Initiative [BIOFIN] 2024b). Causal links between subsidies and nature
degradation are further obscured by limited spatial biodiversity data and a lack of standardised tracking, underscoring
the urgent need for better data and methodologies (IMF 2024).
Improved data sources: Data on EHS used in SFN 2026 is improved. IISD fossil fuel subsidy tracker covers 192
countries compared to 41 countries in IEA data used in SFN 2023. For agriculture, the OECD method to estimate the
most distorting support is replicable and traceable to source data. Additional subsidy types are included: mining and
quarrying, plastics manufacturing and construction.
Changes due to methodological upgrade: Both SFN 2023 and the current edition extract estimates of EHS from
literature instead of applying scaling factors. Due to improved data and the inclusion of additional subsidy types,
estimates of EHS have increased.
Units, data granularity, notes: Units are in real billion 2024 US$ prices. Data for fossil fuel and agri-subsidies is
available at the country level. Other subsidy types are only available on the regional/global level, and partly available on
annually from 2014 to 2023.
72 | UNEP | State of Finance for Nature 2026
Table A2: Private nature-negative finance
Source dataset(s): Refinitiv/LSEG (2025), including private capital investments via loans, equity and bonds; ENCORE
pressure materiality ratings (2024).
Approach: The updated methodology aims to identify and quantify private finance flows that contribute to nature
degradation, i.e. nature-negative finance flows. Building on the SFN 2023 framework, this analysis leverages ENCORE?s
materiality assessments of direct nature-negative impacts and links economic activity classifications (presented in ISIC
classification) to private finance datasets using LSEG/Refinitiv. This mapping of ISIC to Refinitiv makes it possible to
quantify finance flows that exert direct pressure on ecosystem services.
Mapping economic activities to pressures (nature negative): The ENCORE framework provides the basis for assessing
how economic activities potentially impact ecosystem components, which provide ecosystem services. ENCORE assigns
pressure materiality ratings to pressures resulting from a wide range of economic activities. These pressures can result in
impacts on ecosystem components, which underpin ecosystem services. ENCORE uses a five-point scale for materiality
ratings: Very High (VH), High (H), Medium (M), Low (L) and Very Low (VL). Pressure materiality ratings are location-
agnostic and differ only by economic activities. Pressures in the ENCORE tool include a range of environmental impacts
such as land and water use, emissions to air, water and soil, resource extraction, pollution and disturbances like noise and
light.
In this report, an activity is classified as nature negative if it is assigned a high and/or very high materiality rating (H, VH)
for any of the 13 pressures, as identified in ENCORE. For example, industries with activities rated as ?high? for one type of
pressure (e.g. land use, soil and water pollution) are considered as nature negative following an attribution scheme.
Use of ENCORE update: SFN 2026 utilises the update of the ENCORE tool (October 2024), which introduces the ISIC
Revision 4 sectoral classification framework at the class/group level instead of TRBC production processes. A production
process is no longer allocated to multiple different industries, but rather each economic activity is analysed individually.
This allows more accurate identification and measurement of pressure links on natural capital and avoids overestimation
of nature-negative finance flows.
Improved methodology: This report uses an improved methodology based on nature-negative attribution matrix which
assigns nature-negative shares to economic activities based on their materiality profiles. This tiered system links the
number of pressure materiality ratings and their magnitude (VL vs. VH) to estimated nature-negative shares.. Activities
that exert more severe and direct pressure on ecosystem services are assigned with higher negative attribution shares.
Economic activities with at least 5 High (H) or one Very High (VH) pressure are assigned with a 90 per cent negative
attribution. Similarly, the matrix assigns activities with 2 or more High (H) pressures with 60 per cent and activities with
1 High (H) pressure with 30 per cent. This graduated scale avoids binary classifications and enables a proportional
assessment of harm. Activities marked with Very Low (VL), Low (L) or Medium (M) pressures receive a zero per cent
attribution, reflecting minimal contribution to nature degradation.
While thresholds are not empirically derived, they are anchored in ecological reasoning. Multiple high-pressure
dependencies are more likely to result in significant degradation of ecosystems if left unmitigated. The use of a 90 per
cent attribution for 5H or 1VH assumes strong systemic pressure on ecosystems from such activities, consistent with
conservation science that emphasises the compounding impact of multiple high stressors. Similarly, assigning 60 per
cent to 2H or more, and 30 per cent to 1H introduces a more refined scale. No weighting was applied to the 13 materiality
pressures so materiality pressures with the same rating were assumed to have the same direct impact on ecosystems.
Robustness and calibration: A comparison between derived shares for SFN 2026 and SFN 2023 reveals broadly
consistent patterns in the concentration of nature-negative activities across key sectors, particularly in resource-intensive
industries. To ensure consistency, the attribution shares were calibrated to produce estimates of nature-negative finance
flows that were aligned with SFN 2023. SFN 2023 estimated US$5 trillion in global private finance flows in 2022 were
associated with nature-negative activities. Using the same ENCORE materiality logic and sectoral classifications, this
methodology replicates that magnitude within a reasonable margin of variation.
Units, data granularity, notes: Units are expressed in real trillion US$ 2024 prices. The year of comparison is 2023, but
values for 2024 are reported in the text.
73 | UNEP | State of Finance for Nature 2026
Table A3: Nature-related pressures (impact drivers) and examples
Pressure Definition, including examples
Area of freshwater use
Freshwater area is used for the activity, including wetland, ponds, lakes, streams, rivers
or peatland necessary to provide ecosystem services such as water purification.
Area of land use Land area is used for the activity, including agriculture or forest plantation.
Area of seabed use Seabed area is used for the activity, including aquaculture or seabed mining.
Disturbances (e.g. noise,
light)
Activity produces noise or light pollution that has potential to harm organisms.
Emissions of GHG
Activity emits GHG, incl. CO2, methane (CH4), nitrous oxide (N2O), hydrofluorocarbons
(HFCs) and perfluorocarbons (PFCs).
Emissions of non-GHG air
pollutants
Activity emits non-GHG air pollutants, including mono-nitrogen oxides (NOx) and Sulphur
dioxide (SO2).
Emissions of nutrient
pollutants to water and soil
Activity emits nutrient pollutants that can lead to eutrophication, including nitrates and
phosphates discharged to receiving water body.
Emissions of toxic pollutants
to water and soil
Activity emits toxic pollutants that can directly harm organisms and the environment,
including toxic substances such as heavy metals and chemicals.
Generation and release of
solid waste
Activity generates and releases solid waste.
Introduction of invasive
species
Activity directly introduces invasive species into areas of operation.
Other abiotic resource
extraction
Activity extracts abiotic resources. Examples include volume of mineral extracted.
Other biotic resource
extraction (e.g. fish, timber)
Activity extracts biotic resources including fish and timber.
Volume of water use Water is used for the activity. including groundwater or surface water consumed.
Note: Authors? illustration based on ENCORE (2025)
Comparing SFN 2023 and SFN 2026 approaches:
A comparison between the sectoral breakdown of
SFN 2023 and SFN 2026 indicates a consistent
distribution of nature-negative private finance. While
the absolute figures differ due to updated data
coverage, methodology and inflation-adjusted values,
the top sectors contributing to nature degradation
remain broadly unchanged. In SFN 2023, industrials
led the ranking with US$1.4 trillion, followed by utilities
(US$589 billion). Notably, utilities in SFN 2026 jumped
to the top position due to increased investment in
conventional infrastructure and electricity generation.
Coal- or gas-fired power plants exert very high
pressures on land, water and air quality, making the
sector a major contributor to ecosystem degradation
under ENCORE?s materiality criteria.
These results confirm that, despite minor shifts
in rankings, the underlying pattern of ecological
pressure from capital allocation remains persistent.
The cross-year alignment between SFN 2023 and
SFN 2026 enhances the credibility of the new
methodology and suggests that targeted financial
and policy interventions in the top four sectors are
likely to yield the most significant biodiversity and
nature-related benefits.
74 | UNEP | State of Finance for Nature 2026
Table A4: Nature-negative finance attribution matrix
Pressure
Materiality
ratings
Attributed
nature-negative
share
# of Economic
activities (rated
by ENCORE)
using ISIC
Example Example
Pressure
# of business
activities (used
in Refinitiv) in
TRBC
5H or more; 1VH
or more
90% 69
Extraction of
crude petroleum
VH: Area of
seabed use;
Toxic soil water
pollution ?
181
2H or more 60% 12
Manufacture of
tobacco products
H: Nutrient Soil
Water Pollution ?
46
1 H 30% 32
Manufacture of
plastics
H: Non GHG Air
Pollution
92
VL, L, M 0% 158
Spinning, weaving
and finishing of
textiles
- 575
Total - 271 - - 895
Note: 13 pressures are identified. There is no weighting applied, each materiality pressure is treated equally. There is no academic literature
(to our knowledge) that goes a similar route in identifying finance flows to nature negative using ENCORE.
The portfolio of private capital investment analysed
covers US$20 trillion per year between 2020 and
2024. Finance flows in Refinitiv/LSEG are classified
using the ?The Refinitiv Business Classification?
(TRBC) framework. In total, the dataset covers 895
business activities, which were mapped individually
to the most approximate ISIC groups (economic
activity). ENCORE pressure materiality ratings are
available for 271 economic activities (ISIC groups or
classes) that have been mapped against 895 TRBC
business activities. After each transaction (out of
the US$20 trillion private capital investments) is
assigned a negative share, the model aggregates
the attributed values at the sector level. The result
is a composite view of which sectors are driving
the largest share of nature-negative finance based
on the distribution of economic activities and their
ecological pressure intensity.
Robustness and sensitivity testing: To assess
the sensitivity of results to the assumptions in
the attribution matrix, a robustness check was
conducted using Monte Carlo simulation. This
involved randomly varying nature-negative share
attributed to each activity within a pre-defined
range and recalculating nature-negative shares
across many iterations. The resulting distribution
allows to observe the distribution of nature-negative
flows around the attribution shares and test
whether observed patterns hold under alternative
attribution scenarios. Results indicate that the
mean of simulated values is very close to the
estimated values, with the distribution of simulated
values corresponding well to the pre-defined range
of estimated values (Figure A1). This suggests
that estimated values are not highly sensitive to
moderate changes in the attribution share, and the
weights are reasonably well-calibrated.
75 | UNEP | State of Finance for Nature 2026
Figure A1: Boxplot of Monte Carlo simulated private nature-negative flows
Note: Authors? calculations. The lower and upper whiskers of boxes represent the minimum and maximum values of nature-negative finance
in each simulation. The middle line represents the mean value of nature-negative finance for a given year.
Public finance to nature-based solutions
Table A5: Public finance: COFOG to nature-based solutions
Source dataset(s): OECD (Annual government expenditure by budget function), IMF (Government Finance Statistics),
FAOSTAT (Government Expenditure), US Government Spending Explorer, National Bureau of Statistics of China.
Approach: Expenditure on five government budget functions provides the basis for domestic public NbS finance
estimates: sustainable agriculture, forestry, fishing and hunting; environmental policy and other; pollution abatement;
biodiversity and landscape protection; and wastewater management. Scaling factors from SFN 2023 are applied to
estimate the proportion of public domestic expenditure by budget function that can be considered NbS finance.
Added value in SFN 2026: SFN 2026 provides estimates for 2023 and updated estimates for previous years based on
retroactive corrections and updates in data sources). New values in the dataset include annual NbS estimates for Brazil
(IMF Government Finance Statistics) and Indonesia (FAOSTAT Government Expenditure).
Units and granularity: Estimates are in real billion US$ 2024 prices. The budget function ?environmental protection not
elsewhere classified (n.e.c.)? is renamed to ?Environmental policy and other? for comparability across SFN editions. US
and Chinese budget categories were mapped to COFOG (OECD) definitions.
4500
5000
5500
6000
6500
7000
2020 2021 2022 2023 2024
Ne
ga
tiv
e
flo
ws
(U
S$
2
02
4
bn
)
76 | UNEP | State of Finance for Nature 2026
The quantification of public domestic NbS
finance flows involved:
Extraction of annual values on public domestic expenditure
by country and budget function from national accounts of
the United States and China, OECD COFOG and International
Monetary Fund?s Government Finance Statistics database.
A list of NbS-relevant budget functions from SFN 2023 was
used to identify expenditure aligned with the NbS definition.
Expenditures using national classification frameworks from
countries not included in COFOG were mapped to COFOG to
harmonise reported values across countries.
Annual expenditure across NbS-relevant budget functions
was multiplied by scaling factors from SFN 2023 to estimate
NbS finance in public domestic expenditure. COFOG budget
functions classified as NbS-relevant appear in Table A6.
Table A6: Public budget categories for government expenditure in nature-based solutions
SectorsSectors Descriptions, including examplesDescriptions, including examples Relevance for NbSRelevance for NbS
Sustainable Sustainable
agriculture, fishing agriculture, fishing
and forestry and forestry
Forestry and fishing activities or Forestry and fishing activities or
equipment, as well as the development, equipment, as well as the development,
operation and maintenance of irrigation operation and maintenance of irrigation
systems for agricultural purposes. This systems for agricultural purposes. This
category also encompasses measures category also encompasses measures
for the conservation, reclamation or for the conservation, reclamation or
expansion of arable land operation or expansion of arable land operation or
support of reforestation work, pest and support of reforestation work, pest and
disease control, forest firefighting and disease control, forest firefighting and
fire prevention services.fire prevention services.
Supports ecosystem-based management, climate adaptation, food Supports ecosystem-based management, climate adaptation, food
security and biodiversity. Addresses societal goals: job creation security and biodiversity. Addresses societal goals: job creation
and livelihoods in rural areas; fosters gender equality and women?s and livelihoods in rural areas; fosters gender equality and women?s
empowerment through access to land, finance and training; empowerment through access to land, finance and training;
Integrates sustainable practices, knowledge and rights of IPs and Integrates sustainable practices, knowledge and rights of IPs and
LCs.LCs.
Biodiversity Biodiversity
and landscape and landscape
protectionprotection
Protection of fauna and flora species Protection of fauna and flora species
(including the reintroduction of (including the reintroduction of
extinct species and the protection of extinct species and the protection of
threatened species ), protection of threatened species ), protection of
habitats (including the management habitats (including the management
of natural parks and reserves) and of natural parks and reserves) and
protection of landscapes for aesthetic protection of landscapes for aesthetic
values (including the reshaping of values (including the reshaping of
damaged landscapes for the purpose of damaged landscapes for the purpose of
strengthening the aesthetic value and strengthening the aesthetic value and
the rehabilitation of abandoned mines the rehabilitation of abandoned mines
and quarry sites).and quarry sites).
Directly contributes to ecosystem conservation, restoration Directly contributes to ecosystem conservation, restoration
and biodiversity gains. Contributes to societal goals including and biodiversity gains. Contributes to societal goals including
health, water security, inclusion of IPs and LCs, gender equality health, water security, inclusion of IPs and LCs, gender equality
e.g. women benefiting from inclusive livelihood programs tied to e.g. women benefiting from inclusive livelihood programs tied to
biodiversity. biodiversity.
Environmental Environmental
policy and otherpolicy and other
Formulation, administration, Formulation, administration,
coordination and monitoring of policies, coordination and monitoring of policies,
plans, programmes and budgets for plans, programmes and budgets for
environmental protection. environmental protection.
Enabling function for NbS by providing systemic infrastructure Enabling function for NbS by providing systemic infrastructure
needed to mainstream and scale up NbS implementation. needed to mainstream and scale up NbS implementation.
Wastewater Wastewater
managementmanagement
Activities such as the administration, Activities such as the administration,
supervision, inspection, operation or supervision, inspection, operation or
maintenance of sewage systems and maintenance of sewage systems and
wastewater treatment.wastewater treatment.
Relevant for green infrastructure and natural water filtration Relevant for green infrastructure and natural water filtration
systems. Addresses directly the societal goal of health and well-systems. Addresses directly the societal goal of health and well-
being as well as access to safe water and sanitation services; being as well as access to safe water and sanitation services;
reduces burden on women and girls as well as improves safety.reduces burden on women and girls as well as improves safety.
Pollution abatementPollution abatement Measures to control or prevent the Measures to control or prevent the
emissions of greenhouse gases emissions of greenhouse gases
and pollutants that adversely affect and pollutants that adversely affect
the quality of the air; construction, the quality of the air; construction,
maintenance and operation of maintenance and operation of
installations for the decontamination installations for the decontamination
of polluted soils and for the storage of of polluted soils and for the storage of
pollutant products.pollutant products.
Supports environmental health and resilience. Contributes to Supports environmental health and resilience. Contributes to
health and well-being reducing exposure to harmful pollutants. health and well-being reducing exposure to harmful pollutants.
Addresses gender equality as women and marginalised Addresses gender equality as women and marginalised
communities are disproportionately affected by pollution.communities are disproportionately affected by pollution.
Note: Authors? illustration. Based on SFN (2023) and IMF GFS (2025).
IMF GFS 2025
77 | UNEP | State of Finance for Nature 2026
Table A7 provides scaling factors applied to extract
NbS flows, building on the literature and expert
consultation (SFN 2023).
Table A7: Scaling factors by COFOG budget function
NbS- relevant budget
function (COFOG)
Scaling
factor
Source
Sustainable agriculture,
forestry, fishing and
hunting
0.1 TNC 2020
Pollution abatement 0.2
Environmental policy and
other
0.2
Biodiversity and landscape
protection
0.9 UNDP 2015
Wastewater management 0.1 UN WATER 2015
Note: The selection of COFOG budget functions for NbS builds on
SFN 2023 and reflects functional areas of government spending
that directly or indirectly support ecosystem protection, restoration
or sustainable land and water management. While not all codes
represent sectors, they capture public policy functions relevant for
implementing NbS across domains such as agriculture, water and
environmental protection. Scaling factors in SFN 2023 were not
directly drawn from the indicated sources but informed further by
expert opinions.
Mapping of US national accounts to COFOG
budget functions Mapping of US budget categories
to COFOG budget functions did not require weighting
coefficients due to similar categories. For example,
public domestic expenditure on pollution control
and abatement are allocated to the COFOG budget
function ?pollution abatement?.
Table A8: Mapping of US public domestic expenditure
categories to COFOG
United States expenditure
category
COFOG budget function
Agriculture
Sustainable agriculture,
forestry, fishing and hunting
Pollution control and
abatement
Pollution abatement
Recreation resources
Environmental policy and
other
Conservation and land
management
Other natural resources
Biodiversity and landscape
protection
Water resources Wastewater management
Note: Authors? illustration. Based on SFN 2023.
Mapping of China?s national accounts to COFOG
budget functions. The allocation of Chinese
expenditure data to COFOG required the use of
weighting coefficients due to different definitions
and structure of Chinese and COFOG budget
categories (SFN 2023). For example, only 60 per
cent of public domestic expenses under natural
resources, ocean and weather can be categorised
as ?biodiversity and landscape protection? under
COFOG.
Table A9: Mapping of Chinese public domestic expenditure
categories to COFOG
China?s expenditure
category
Weights COFOG budget
function
Agriculture,
forestry and water
conservancy
0.33
Sustainable agriculture,
forestry, fishing and
hunting
Energy conservation
and environmental
protection
0.17 Pollution abatement
Energy conservation
and environmental
protection
0.33
Environmental policy
and other
Natural resources,
ocean and weather
0.60
Biodiversity and
landscape protection
Agriculture,
forestry and water
conservancy
0.17
Wastewater
management
Note: Authors? illustration. Based on SFN 2023.
78 | UNEP | State of Finance for Nature 2026
Table A10: Public finance: ODF to Nature-based Solutions
Source dataset(s): OECD Credit Reporting System (CRS) 2025
Approach: To quantify public international NbS finance flows, a structured filtering methodology was applied to OECD CRS
data. This approach combines an assessment of sectoral eligibility using Rio marker classification and keyword matching
to categorise finance relevant to NbS. This methodology builds on the literature and balances inclusiveness with rigour.
Applying an identification strategy (Figure A2) lower, mid and upper bounds are estimated. Filters applied included: Official
donors (donor), official development assistance and other official flows (measure), all channels (channel), general budget
support (modality), disbursements (flow type), current prices (price base). NbS estimates were converted to US$ 2024
prices.
Added value in SFN 2026: The application of strict filtering criteria and the use of lower and upper bounds for NbS shares
provides greater rigour than the scaling factors used in SFN 2023. Lower and upper bounds are more precise and align
with OECD?s approach. More CRS sub-sectors (32 instead of 16) are included.
Changes due to methodological upgrade: The inclusion of 36 CRS sectors instead of 16 CRS sectors results in an
additional 20 per cent of finance flows identified as NbS at the mid-point.
Units and data granularity: Units are in real billion US$ 2024 prices. Data is available by donor and recipient from 2015 to
2023.
Building on the OECD-DAC system, the approach tracks to what extent ODF targets NbS. The method first
estimates lower, mid and upper bounds of NbS finance. It then disaggregates NbS finance into flows that
target biodiversity, climate and/or DLDD as well as the extent of overlap.
Figure A2: Identifying NbS in Official Development Finance
Note: Authors? illustration. The number of CRS sub-sectors is expanded from 16 to 39 based on the following criteria: Significant absolute
value of expenditure in subsector that is Rio marked; Significant proportion of expenditure of subsector that is Rio marked; Expert judgement
indicating high likelihood that a sub-sector contains NbS (based on sub-sector definitions, OECD guidance and relevant reports, e.g. WRI
Adaptation NbS Report (WRI 2021), Atteridge et al. (2022); Retaining all sub-sectors included in SFN 2023: General environmental protection
(CRS Category), urban development and management, urban land policy and management, rural development, rural land policy and
management and disaster risk reduction.
79 | UNEP | State of Finance for Nature 2026
Table A11: ODF sub-sectors targeting NbS
CRS sector / category CRS sub-sectors
Water Supply and
Sanitation
Water sector policy and administrative management; Water resources conservation.
Agriculture Agricultural development; Agricultural extension; Agricultural land resources; Agricultural policy
and administrative management; Agricultural research; Agricultural water resources; Agricultural
services; Food crop production; Agricultural education/training; Agricultural co-operatives.
Forestry Forest industries; Forestry development; Forestry education/training; Forestry policy and
administrative management; Forestry research; Forestry services.
Fishing Fishery development; Fishery education/training; Fishery research; Fishing policy and
administrative management.
Industry Fuelwood/charcoal; Agro-industries; Industrial crops/export crops; Food security policy and
administrative management.
General environment
protection
Environmental education/training; Environmental policy and administrative management;
Environmental research; Biodiversity; Biosphere protection; Site preservation.
Other/multi-sector River basins development; Urban development and management; Disaster Risk Reduction; Rural
development.
Note: Sector and sub-sector names extracted from OECD CRS (2025b).
Example: A US$10 million forestry development project is classified as NbS due to its relevant subsector
and presence of a significant-like biodiversity keyword, despite having no biodiversity Rio marker or SDG
tags. While excluded at the lower bound because there are no additional stringent criteria, 40 per cent (US$4
million) is included at the mid-point and 100 per cent (US$10 million) at the upper bound due to the climate
mitigation Rio marker (significant) and the biodiversity keyword. Further real world examples from the CRS
database of projects that qualify for lower bound estimates are shown in the table below.
Table A12: Examples of projects consistent with lower bound estimates
Example 1: Actions by and for women to adapt to climate change: The women in action project aims to increase climate
change adaptation among vulnerable girls and women in the agricultural and forestry sectors in South- and North-Kivu,
with benefits in terms of the conservation and restoration of forest biodiversity. The project?s beneficiaries, who will receive
training on positive masculinity, are estimated to be over 5,000 men. In addition, the living conditions and food security
of over 30,000 household members, young women and women will improve. Five local organizations will receive support
so they can mentor young women and men in terms of implementing NbS and adapting to climate change using gender-
sensitive methods, even outside the project.
Biodiversity Adaptation Mitigation Donor Sector Recipient US$
Significant Principal - Canada Fuelwood/charcoal
Democratic Republic
of the Congo 95,405 (in 2023)
Example 2: Increased climate resilience and well-being of rural communities through improved food security and nutrition,
economic empowerment, responsive local government policies and more inclusive and stronger grass-roots organizations.
This will be achieved by diversified and increased agriculture production, increased seed security, better livestock
management, sustainable management of resources, capacity building of grassroots organizations and policy work at local,
national and international level.
Biodiversity Adaptation Mitigation Donor Sector Recipient US$
Significant Principal - Norway
Agricultural
development
Malawi 220,494 (in 2023)
Note: Authors? table. Descriptions are shortened. Extracted from OECD CRS (2025b).
80 | UNEP | State of Finance for Nature 2026
ODF targeting NbS which delivers on biodiversity,
climate and DLDD
ODF targeting NbS is identified by filtering projects in relevant
sectors (e.g. agriculture, forestry and fishing) that are tagged
with at least a significant or principal biodiversity Rio marker
or with SDGs 14 or 15. Disbursements for these projects are
aggregated to total NbS finance in ODF.
A number of projects contribute to multiple targets across Rio
Conventions. These transactions are captured in the overlap-
ping sections of Figure 13, which represent NbS actions and
investments that simultaneously deliver biodiversity, climate
and DLDD benefits. Each transaction identified as NbS is
assessed for Rio markers, thematic keywords and SDG tags
linked to the Rio Conventions. This method avoids finan-
cial double counting by transparent accounting. It explicitly
treats overlaps as reflecting multiple benefits from the same
investment. Every NbS-aligned transaction is first attributed
to biodiversity finance (as a minimum condition). Additional
attributions are made to climate and/or DLDD to show the
extent to which NbS finance aligns with individual or multiple
Rio Convention goals.
Table A13: Public finance to NbS: Debt-for-nature swaps
Source dataset(s): Bloomberg Terminal 2025
Approach: Aggregation and analysis of DNS transactions
from 2021?2024, including restructured debt, new debt
issuance and conservation finance unlocked. Data compiled
from official deal participants and secondary sources.
The methodology involves compiling data on restructured
sovereign debt(face value of debt converted), new debt
issuance(used to finance the swap) and conservation finance
unlocked(funds redirected to environmental projects).
Added value in SFN 2026: This is the first time that DNS is
included in SFN. The dataset highlights the scalability of
DNS for climate and biodiversity goals. It also demonstrates
how DNS can unlock substantial conservation finance
in debt-distressed countries and provides a foundation
for integrating DNS into broader sustainable finance
taxonomies and frameworks. The dataset supports the
development of blended finance models by illustrating how
public and private capital can be mobilised through DNS.
Changes due to methodological upgrade: This is the first
time DNS are included in SFN.
Changes due to new data points: All data points are new.
Units and data granularity: Estimates are in real million
2024 US$ prices. Data includes eight DNS deals across
seven countries: Belize, Ecuador, Gabon, El Salvador, the
Bahamas, and Barbados (2022 and 2024). Includes annual
breakdowns of restructured debt, new debt issuance and
conservation funds unlocked.
Private finance to nature-based
solutions
Estimation of private NbS finance flows is challenging
due to limited data availability on finance flows for
categories and instruments, inconsistent definitions
and scope and different reporting practices.
Table A14: Private finance to NbS: Sustainable bonds for
biodiversity
Source dataset(s): BloombergNEF (2025)
Approach:
Use of Bloomberg terminal, selecting corporate bonds and
loans by Use of Proceeds: Sustainable Proceeds.
Filter ESG project category ?biodiversity? to reproduce data
used in Biodiversity Finance factbook. Estimates use all
listed use of proceeds and divide the total amount issued
equally by number of use of proceeds. This represents
a more realistic look at financing spent. However, use of
proceeds is generally not divided equally, and biodiversity
often receives the smallest share. If a US$100 million
bond has ten listed UoPs including biodiversity, we have
attributed US$10 million to biodiversity. In the absence of
actual allocation data, Bloomberg considers this the best
approach.
Added value in SFN 2026: Adding private capital
investments from a consistent source compared to a
selection of asset classes and mechanisms.
Changes due to methodological upgrade: This is the first
time the asset class is included.
Changes due to new data points: This is the first time the
asset class is included.
Units and data granularity: Estimates are in real million
US$ 2024 prices. Data from 2012 to 2025 for corporate
bonds and loans. Note: Supranational are government
established institutions such as EU and World Bank and
are counted as public along with government-related
bonds.
Table A15: Private finance to NbS: Private philanthropy
Source dataset(s): OECD Credit Reporting System (CRS)
2025
Approach: Use of lower and upper bounds as in the OECD
CRS dataset (ODA) to estimate NbS finance. The key
difference with respect to the estimation method of NbS
finance in official development finance is the selection of
donors. This section includes only private philanthropies.
For more information about the calculation of Rio marker
shares and their application refer to annex table 13.
81 | UNEP | State of Finance for Nature 2026
Added value in SFN 2026: The application of strict
filtering criteria and estimation of lower and upper bounds
for NbS finance, as well as use of a dedicated dataset for
philanthropic finance for development is an improvement.
Units, data granularity, filters: Estimates are in real
million 2024 US$ prices. Data is available from 2015?
2022. Donors include private philanthropic institutions.
Measure: Total (private grants and ?non-grants?). Flow
type: Disbursements.
Table A16: Private finance to NbS: Private finance
mobilised for official development finance
Source dataset(s): OECD Mobilised private finance for
development (2025)
Approach: Use of mid-point estimates of NbS shares
calculated in the CRS dataset with the Rio markers were
extrapolated to the OECD database for mobilised private
finance for development. For more information about the
calculation of Rio marker shares and their application
refer to annex table 13.
Added value in SFN 2026: Use of mid-point estimates
based on Rio marker shares extracted from OECD CRS.
Changes due to methodological upgrade: In SFN
2023, only general environment protection was used
for the analysis. The previous method used scaling
factors on finance flows to obtain finance for NbS. This
analysis considers all NbS-relevant sectors. Hence, the
identification of NbS-relevant policy objectives, use of
strict filtering and estimation of lower and upper bounds
for NbS represents an improvement.
Changes due to new data points (additional year): The
updated methodology provides estimates for 2023 and
2022, which extends the time frame covered.
Units and data granularity: Units are in real million 2024
US$ prices from 2015?2023.
Filters: Donors: Official donors (DAC and non-DAC
countries), multilateral organizations. Leveraging
mechanism: aggregate total. Flow type: Amounts
mobilised, amounts mobilised for climate.
82 | UNEP | State of Finance for Nature 2026
Table A17: Private finance to NbS: Voluntary carbon markets
Source dataset(s): Ecosystem Marketplace - State of the Voluntary Carbon Market (2025)
Approach: Transactions in voluntary carbon markets are classified by project category (forestry and land use, waste disposal,
transport, agriculture, energy efficiency/fuel switching, renewable energy, chemical processes/industrial manufacturing,
household/community devices) by Ecosystem Marketplace. Only Agriculture and Forestry and Land use projects are included
in SFN.
Added value in SFN 2026: New data points on the global value of transactions in voluntary carbon markets by project
category for 2022 and 2023.
Units and data granularity: Estimates are in real million US$ 2024 prices.
Table A18: Private finance to NbS: Compliance carbon markets
Source dataset(s): Quarterly Carbon Market Reports - Clean Energy Regulator (Australia), New Zealand Environmental
Protection Authority (ETS unit movement), Ministerio del Ambiente y Desarrollo Sostenible (Colombia), California Air
Resources Board (Cap-and-Trade Program Data Dashboard)
Approach: Based on the national and subnational market overview from Maguire et al. (2021), we focus on Australia,
California, Colombia and New Zealand as these have sufficient publicly available data and represent a significant share of
the market. Values are calculated by multiplying the volume by the unit price adjusted to 2024 prices. Price data is from
World Bank?s Carbon Pricing Dashboard (n.d.), except for Australia?s prices from Clean Energy Regulator (CER) for 2023-24,
while 2022 price is from CER market price charts. This methodology is consistently applied across all years.
New Zealand: NZUs may be issued based on entitlements for forestry and industrial removals. For the 2023 cancellation
data, although both ETS surrender and voluntary cancellations reflect actual demand, the latter are negligible. Therefore,
we focus on net ETS surrender, defined as surrenders minus reimbursements, sourced from the Environmental Protection
Authority (2025). Only forestry NZUs are considered.
California Retired volumes issued from California Air Resources Board (n.d.) were extracted, filtering for US forest projects
(California Air Resources Board 2011), including reforestation, improved forest management and avoided conversion.
Colombia A caveat is that some of the credits used to comply with Colombia?s carbon tax exemption mechanism may
also be issued and traded on the voluntary carbon market. This overlap makes it difficult to distinguish between credits
retired for tax compliance and those retired for voluntary climate commitments. As a result, some credits may be double-
counted, leading to a probable overestimation of the NbS-related finance associated with this mechanism. According to
data from the Ministerio del Ambiente y Desarrollo Sostenible (MADS 2024), approximately 77.2 per cent of the credits
used for tax exemption originate from forestry, AFOLU and REDD+ projects (considered as contributing to NbS), including
afforestation, reforestation, and silvopastoral systems. To estimate the NbS-related credit volume for 2023, we apply this
share to the total number of cancellations reported by MADS. This volume is then multiplied by Colombia?s carbon tax rate
(US$5 per ton) to obtain a valuation proxy in the absence of detailed price data. This figure should be interpreted as a rough
upper bound, since the real price paid for such credits is likely lower, otherwise there would be little economic incentive
for companies to choose exemption over paying the tax. Moreover, if the exemption mechanism involves significant
transaction costs, the effective credit price would have to be even lower to remain financially attractive.
Australia The analysis assumes that NbS-related ACCUs are captured within the broader ?vegetation?, ?savanna fire
management? and ?agriculture? categories, which include activities such as reforestation, revegetation, improved fire
management, agroforestry. This assumption is made due to the lack of more granular data that would permit identification
of NbS activities. The price for ACCUs in 2023 is from the Clean Energy Regulator December 2024 report (2025).
Units and data granularity: Units are in real million 2024 prices.
83 | UNEP | State of Finance for Nature 2026
Table A19: Private finance to NbS: Biodiversity offsetsTable A19: Private finance to NbS: Biodiversity offsets
Source data : Source data : Bennett Bennett et al.et al. (2017b). Government of India CAMPA Annual Reports (GoI 2019; GoI 2020; GoI 2021; GoI 2022; GoI (2017b). Government of India CAMPA Annual Reports (GoI 2019; GoI 2020; GoI 2021; GoI 2022; GoI
2023). BEA data for US Construction sector growth rate (BEA 2025).2023). BEA data for US Construction sector growth rate (BEA 2025).
ApproachApproach: 2016 values for global private finance for biodiversity offsets was extracted from Bennett : 2016 values for global private finance for biodiversity offsets was extracted from Bennett et al.et al. (2017b) and used (2017b) and used
for projections. for projections.
1. Unites States 2016 estimate is assumed to increase at the same rate as gross value added of the construction sector, 1. Unites States 2016 estimate is assumed to increase at the same rate as gross value added of the construction sector,
following Madsen (2024) identifying that construction is the biggest demand driver; following Madsen (2024) identifying that construction is the biggest demand driver;
2. India: CAMPA estimates from annual reports are available for only 2018 to 2022. 2023 and 2024 estimates are assumed to 2. India: CAMPA estimates from annual reports are available for only 2018 to 2022. 2023 and 2024 estimates are assumed to
grow at the rate of inflation based on 2022 figures. grow at the rate of inflation based on 2022 figures.
3. Other regions: Adjusting Bennet estimates for inflation only due to lack of data. 3. Other regions: Adjusting Bennet estimates for inflation only due to lack of data.
Added value in SFN 2026: Added value in SFN 2026: New data points on finance for biodiversity offsets for 2023 and 2024. Estimates are the result of New data points on finance for biodiversity offsets for 2023 and 2024. Estimates are the result of
replicating the method in SFN 2023, revised to account for more robust projection assumptions. replicating the method in SFN 2023, revised to account for more robust projection assumptions.
Changes due to methodological upgrade: Changes due to methodological upgrade: Instead of the low and high growth rate used in SFN 2023, growth assumptions vary Instead of the low and high growth rate used in SFN 2023, growth assumptions vary
by region. In the US, it is the construction sector?s growth rate. Indian estimates are reported values from the programme?s by region. In the US, it is the construction sector?s growth rate. Indian estimates are reported values from the programme?s
annual reports. Other regions increase at the rate of inflation. annual reports. Other regions increase at the rate of inflation.
Changes due to new data points (additional year): Changes due to new data points (additional year): Biodiversity offsets amounted to approximately US$7.15 billion in 2023, Biodiversity offsets amounted to approximately US$7.15 billion in 2023,
which represents an increase of 5 per cent since 2022 (US$6.81 billion).which represents an increase of 5 per cent since 2022 (US$6.81 billion).
Units and data granularity: Units and data granularity: Units are in real billion 2024 US$ prices. Units are in real billion 2024 US$ prices.
The mitigation hierarchy, recognised as the best-practice framework for minimising the impacts of development
on biodiversity, prioritises avoiding harm to ecosystems wherever possible, followed by minimising unavoidable
damage and finally compensating for residual impacts through biodiversity offsets. This approach supports
principles like No Net Loss (NNL) or Net Gain (NG) in biodiversity, ideally ensuring development projects maintain
or enhance biodiversity and resilience.
Figure A3: Value of biodiversity offsets by region in 2023
Note: Authors? calculations. Estimates are in real 2024 US$ prices (millions).
84 | UNEP | State of Finance for Nature 2026
Table A20: Private finance to NbS: Payments for ecosystem services (SFN 2023 methodology)
Source dataset(s): OECD (2021). Tracking Economic Instruments and Finance for Biodiversity; Salzman et al. (2018). The
global status and trends of Payments for Ecosystem Services.
Approach: To estimate the share of private PES, the share of PES that are user-financed and compliance-financed was
calculated based on data from Salzman et al. (2018). Estimates from OECD (2021) were downscaled by 22 per cent and 44
per cent to derive lower and upper bound estimates.
Added value in SFN 2026: New data points.
Changes due to methodological upgrade: No methodological update was conducted.
Changes due to new data points (additional year): The total value of PES for 2023 was US$4.19 billion, while in 2024 it was
nearly US$4.29 billion due to updating the price index.
Units and data granularity: Units are in real billion 2024 prices. Raw data is available for average annual investment
2017?2019 from OECD (2021) and extrapolated using IMF-WEO price index.
Table A21: Private finance to NbS: Certified commodity supply chains
Source dataset(s): : 4C (2023), Breukink et al. (2015), FAO (2020; 2022; 2024a; 2024b), FSC (2020; 2021; 2022; 2023), GCP
(2021), IDH (2020; 2021a; 2021b), PEFC (2019; 2020; 2021; 2022; 2023a; 2023b), Proterra (2022; 2023), Rainforest Alliance
(2021; 2022a; 2022b; 2024a; 2024b), RSPO (2023), Statista (2025), World Bank (2025), WWF (2022).
Approach: Certified commodity finance flows to forestry are calculated based on FSC certification costs incurred by
growers, estimated at US$4.16 per hectare in 2015 (Breukink et al. 2015). This figure is adjusted for inflation and multiplied
by the area under certified forestry practices as reported by PEFC and FSC. A similar methodology was applied by SFN
(2023) and Deutz et al. (2020), though their approach was based on production volumes. The method for RSPO-certified
palm oil is comparable, with certification costs for farmers estimated at US$12.5 per ton of certified palm oil (WWF 2020).
This figure is multiplied by the total certified production volume as reported by RSPO.
The US$2.27 bn sustainable investment flows to FSC and PEFC certified wood market represent around 1.22 per cent of
the total market size of FSC and PEFC certified wood product which was US$186.24 bn in 2023. Using the 2023 palm oil
price from World Bank (2025) and factoring in certification cost adjustments, total RSPO-certified production value for 2023
was US$17.4 billion. Finance flows of US$0.27 billion represent 1.5 per cent of total sustainable production value. The
average of these two investment shares, 1.4 per cent, is applied across coffee, cocoa and soy, where production volumes
are multiplied by average market prices (World Bank 2025). Certified seafood estimate is based on the methodology in SFN
(2023) and Deutz et al. (2020) with updated data on the value of fisheries and aquaculture from FAO (2024).
These estimates use the market value of certified goods as a proxy for the actual contribution of certified commodity
markets to nature-positive outcomes.
Added value in SFN 2026: Enhanced updateability of estimates by using publicly available data, e.g. hectares under
certification regularly reported by FSC and PEFC and using publicly available commodity price data which is updated
annually. RSPO methodology has been revised and is based on more substantive sources. Potential double-counting caused
by multiple certifications was minimised.
Changes due to methodological upgrade: Forest products finance flows are lower compared to SFN 2023 due to a change
in approach from volume to area, as well as accounting for double certification. Despite the change in approach and using
different datasets, the estimates for other certified commodities remain broadly similar.
Changes due to new data points: Certified organic agricultural goods have been excluded here due to lack of reliable data.
In SFN 2023, finance flows to this category were estimated at US$2.9 billion.
Units and data granularity: Units are in real billion US$ 2024 prices. Estimates were calculated by certifying agency and
aggregated to the commodity level after accounting for multiple certifications.
85 | UNEP | State of Finance for Nature 2026
Investment needs for NbS
The analysis on future investment needs relies on SFN 2023
modelling. Projections for additional investment needs were
based on the Model of Agricultural Production and its Impact on
the Environment (MAgPIE), a global land use allocation model
designed to explore land competition dynamics in the context
of carbon policy, complemented with off-model analysis.
Estimates from SFN 2023 modelling were revised to US$ 2024
prices. It is assumed that current finance flows are committed
to current projects- investment needs represent additional
finance needed.
The Rio-aligned scenario assumes that Rio Conventions targets
limiting climate change to 1.5 °C, 30by30 and land degradation
neutrality by 2030. Further details on modelling assumptions
under the Rio-aligned and baseline scenarios, modelling steps,
optimisation process and off-model analysis are described in
the Technical Annex to SFN 2023. The analysis includes 16 NbS
selected based on their mitigation potential, data availability
and data quality (Table A22 provides additional detail).
Table A22: NbS types and definitions
NbS category Description
Reforestation
Conversion from non-forest (less than 25 per cent tree coverage) to forest (more than
25 per cent tree coverage) in previously forested areas
Agroforestry (silvopasture) A land use system in which trees are combined with livestock.
Agroforestry (silvoarable) A land use system in which trees are grown with agriculture on the same land.
Restoration of mangroves Restoration of damaged and degraded global mangrove forests.
Restoration of peatlands Rewetting of damaged and degraded global peatlands.
Restoration of seagrass Restoration of damaged and degraded global coastal seagrass meadows.
Restoration of saltmarshes Restoration of damaged and degraded global coastal saltmarshes.
Grazing ? optimal intensity
Grazing optimisation is the offtake rate that leads to maximum forage production
(Henderson et al. 2015). This prescribes a decrease in stocking rates in areas that are
overgrazed and an increase in stocking rates in areas that are under-grazed, with the
net result of increased forage offtake and livestock production.
Cover crops
Cultivation of cover crops in fallow periods between main crops. Prevents losses of
arable land while regenerating degraded land.
Avoided deforestation
Avoidance of conversion, destruction or degradation of forests, where forests are
defined as areas with more than 25 per cent of tree coverage.
Avoided grassland conversion
Avoided conversion of temperate grasslands, tropical savannas and shrublands; the
focus is placed on the conversion of grasslands to croplands.
Avoided mangrove conversion Avoided conversion, destruction or degradation of global mangrove forests.
Avoided seagrass conversion Avoided conversion, destruction or degradation of global seagrass.
Avoided peatland conversion Avoided conversion, destruction or degradation of global peatlands.
Protected area
Area closures that can help reduce conversion and degradation of marine and
terrestrial ecosystems, including deforestation and forest degradation.
Source: SFN (2023)
Table A23 summarises costs in the land use sector which are
captured in the analysis. Costs associated with climate policy
include emissions costs aligned with a Paris-compliant carbon
pricing trajectory and incentives for negative emissions such
as carbon capture. Other costs encompass a broader set of
output-related expenditures that increase with policy ambition.
These include the rising costs of input factors like energy,
labour and eco-friendly inputs, investments in research,
development and the adoption of new technologies, and
costs related to irrigation and expanding resource-efficient
production systems. They also cover downstream costs of pro-
cessing, transport and trade, which may grow due to the shift
toward greener logistics and decentralised networks. Addi-
tional costs arise from land conversion activities, including
land clearing and preparation for agriculture or ecological
restoration, and from forest management practices such as
afforestation or reforestation.
Notably, the costs included in this assessment cover quan-
tifiable investment needs in the production of commodities
or provision of services related to NbS. Enabling investments
required in the wider socioeconomic and institutional environ-
ment to scale NbS interventions effectively are not included in
these projections.
86 | UNEP | State of Finance for Nature 2026
Table A23: Costs reflected in the integrated assessment modelling (Source: SFN 2023)
Output costs in the investment
needs analysis
Description and examples
1. Costs of input factors Cost of producing food and materials includes labour, energy, physical inputs, non-
land capital cost. Examples including higher electricity prices; eco-friendly fertilizer.
2. Investment in technical
change and adoption
Includes R&D, adoption and irrigation expansion. Examples include R&D in new
technologies to achieve market readiness.
3. Costs of processing,
transport and trade
Includes all downstream costs to consumer. Examples include greener logistics,
decentralised systems etc.
4. Cost of land conversion Including land clearing and preparation for agriculture or restoration. Examples
include land clearing and preparation.
5. Cost of forest management Cost associated with forest management. Examples include planting trees or
expanding forest.
6. Costs of climate policy Emissions costs associated with a Paris aligned carbon pricing trajectory; Rewards
for negative emissions. Examples include emissions permits, incentives for carbon
capture, etc.
The Nature Transition X-Curve
Table A24 provides a comprehensive list of leverage points to support transition to nature positive outcomes organized in eight
thematic categories. Colour coding corresponds to the five elements of the Nature Transition X-Curve: phasing in (green),
phasing out (red), vision (orange), knowledge (dark blue) and equity and engagement (light blue).
Table A24: List of leverage points
Leverage point / category Sources
Governance, law and policy reform
Embed NbS in legal systems.
IUCN 2024a
Using a whole-of-government approach to align biodiversity and climate
agendas.
UNEP FI 2023; Finance for Biodiversity Foundation
2024; IUCN 2024a
Reform subsidies harmful to nature.
UNEP 2022a; UNEP FI 2023; UNEP 2024; Hafferty et
al. 2025
Mandatory standards for disclosure of impacts and dependencies on
nature.
Meadows 1999;Barbier et al. 2018, Kedward et al.
2022; UNEP FI 2023a; WWF 2024
Develop sector-specific nature-positive transition pathways and policy
frameworks.
Barbier et al. 2018; Kedward et al. 2022; WWF 2024
Enhance global cooperation for the protection of shared natural
resources and transboundary issues.
WWF 2024
Integrate diverse knowledge systems, including indigenous, ensuring
data sovereignty.
IPBES 2024; UNEP FI 2025
Acknowledge all benefits of nature, including for human health. Bridgewater 2018
Regulation that rewards early adopters of sustainable finance. WWF 2024
Use fiscal incentives to attract private capital for nature. UNEP 2023; UNEP FI 2023
Fiscal instruments to disincentivise harmful environmental practices. UNEP 2022a
87 | UNEP | State of Finance for Nature 2026
Leverage point / category Sources
Address corruption and insecurity as barriers to nature-positive
investment.
WWF 2024
Revise national accounting to include nature ("green GDP"). Oanh 2023; WWF 2024
Strengthen environmental considerations in trade rules and incentives. WWF 2024
Eliminate trade barriers that punish environmental standards. WWF 2024
Support workers and businesses affected by the green transition. WWF 2024
Recognise the rights of local and Indigenous communities. IPBES 2024; Hafferty et al. 2025; UNEP FI 2025
Protect environmental defenders and activists. IPBES 2024; UNEP FI 2025
Design inclusive trade policies respecting Indigenous and local rights
and GESI.
WWF 2024; OECD 2025a; UNEP FI 2025
Ensure the participation of women, youth and smallholder producers in
decision-making spaces, following GESI principles.
Wittmer et al. 2021; Viña et al. 2023
Acknowledge the growing legal and financial liabilities tied to
investments that harm climate and nature.
ICJ 2025
Systemic coherence and integration
Nature-proofing of Official Development Assistance (ODA) by aligning
ODA funding with NbS.
UNEP 2022a; Oanh 2023
Support developing countries in designing sustainable development
pathways.
Barbier et al. 2018; WWF 2024
Align KPIs in industry and finance with the Global Biodiversity
Framework (GBF).
WWF 2024
Mainstream nature in the global economic agenda. UNEP FI 2023;WWF 2024; Hafferty et al. 2025
Agree on the goal and definition of a nature-positive economy.
Randrup et al. 2020; Kooijman et al. 2021; WWF 2024
Align climate, biodiversity, restoration finance and SDG agendas. WWF 2024
Always consider ecological infrastructure as alternative to and in
synergy with grey infrastructure.
Bridgewater 2018; Randrup et al. 2020; UNEP
2022a; Mercado et al. 2024
Support integrated landscape initiatives. UNEP 2021
Shifting social norms away from consumerism towards sustainable
lifestyles.
IPBES 2024
Adopting regenerative views, structures and practices. Hebinck et al. 2022; IPBES 2024
Changing mindsets and paradigms towards nature-based principles.
Randrup et al. 2020; Roggema et al. 2022; Cousins
2024; Mercado et al. 2024
Finance instruments
Foster public-private partnerships for blended finance and de-risking. UNEP FI 2023; UNEP 2024
Promote innovative nature finance like debt-for-nature swaps, green
bonds and impact funds.
Singhania et al. 2023; UNEP 2023; Finance for
Biodiversity Foundation 2024
Increase public investment in nature through green budgeting and
procurement.
UNEP 2022a; IUCN 2024a; UNEP 2024; Hafferty et al.
2025
Scale up concessional finance, including preferential agricultural loans UNEP 2021; Oanh 2023
Establish global funding mechanisms for NbS and nature-positive
finance.
WWF 2024
Promote financial inclusion through microcredits, micro-savings and
digital services.
UNGA 2023
Financial sector alignment
Require biodiversity impact assessments for investments using
credible, nature-inclusive standards.
Singhania et al. 2023; UNEP 2023
Reform global financial institutions to empower nature-rich countries. Oanh 2023; WWF 2024
88 | UNEP | State of Finance for Nature 2026
Leverage point / category Sources
Address sovereign debt challenges that hinder investments in nature /
NbS.
WWF 2024
Mandate finance institutions to divest from nature-negative activities. UNEP 2022a
Develop verification and certification for nature-related investments. Edmans et al. 2022; UNEP 2023
Embed nature risks and dependencies in monetary policy and
supervision.
UNEP 2023; Finance for Biodiversity Foundation
2024; UNEP 2024
Guide financial institutions to align with biodiversity frameworks. UNEP 2023
Engagement of financial institutions with clients for supporting the
phase out of nature negative finance flows.s
Finance for Biodiversity Foundation 2024
Standards, metrics and data
Ensure coherent, accessible data for monitoring climate, biodiversity,
and well-being.
IUCN 2024a
Create standard metrics and methods to show benefits of NbS and
nature-positive investments.
UNEP 2021
Improve data on NbS and nature finance, including gender dimensions. IUCN 2024b, Hafferty et al. 2025
Develop metrics of societal success that include social, economic,
cultural and environmental goals.
Randrup et al. 2020; IPBES 2024
Agree globally on indicators to track nature-positive progress. IUCN 2024a
Adopt science-based targets to reduce risks and generate nature-
positive impacts.
UNEP FI 2023; Finance for Biodiversity Foundation
2024
Standardise frameworks to capture nature?s multi-dimensional value. Randrup et al. 2020; UNEP 2023
Business and markets
Establish state-owned enterprises to drive nature-positive and NbS
investments.
UNEP 2022a
Create high-integrity markets for nature and NbS.
Barbier et al. 2018; UNEP 2022a; UNEP FI 2023
Develop insurance products for nature-related risks and opportunities. WWF 2024
Provide seed funding at the right scale for nature-positive businesses. UNEP 2024b
Quantify and disclose corporate biodiversity impacts and
dependencies.
UNEP 2021; Edmans et al. 2022; UNEP 2024b
Ensure carbon markets meet strong environmental and social
standards.
Barbier et al. 2020; UNEP 2021
Develop markets for alternatives to extractive activities. Oanh 2023; WWF 2024
Assess socio-political risks and benefits of nature market approaches. Kedward et al. 2022
Fund experimental spaces for nature-positive innovation. Cousins 2024
Support nature-based enterprises centred on conservation. Kooijman et al. 2021
Improve funding and market access for women and marginalised
groups.
UNEP 2022
Investing in women and Indigenous peoples-led efforts, sectors and
collaborations.
IUCN 2024b
Education and capacity building
Integrate human-nature connectedness into education, health, planning
and art.
Roggema et al. 2022; IPBES 2024; Hafferty et al.
2025
Build board level leadership for nature. UNEP 2024b
Promote sustainable finance literacy for informed investment and
business decisions.
Samdani 2024
Build capacity and simplify finance access for local and Indigenous
communities.
UNEP FI 2025
89 | UNEP | State of Finance for Nature 2026
Leverage point / category Sources
Support students in becoming ecological leaders. Roggema et al. 2022
Expand financial education for underserved populations. Oanh 2023
Understand both co-benefits and risks of NbS. Osaka et al. 2021; Kedward et al. 2022; UNEP 2023
Highlight cost-effectiveness and revenue potential of conservation. Kooijman et al. 2021; UNEP 2023
Explore blockchain and artificial intelligence roles in NbS and nature
goals.
Singhania et al. 2023
Recognise the connection between poverty eradication and biodiversity
conservation.
Ancrenaz et al. 2007
Equity, rights and participation
Understand and compensate for the local (social) costs of investments,
including for youth, women and marginalised groups.
Bidaud et al. 2018; IUCN 2024b
Use participatory methods like co-creation and citizen science. IPBES 2024; Hafferty et al. 2025
Ensure nature finance follows rights-based, high-integrity standards. UNEP FI 2025
Create fair models to share assets and benefits with IPs and LCs.
Bidaud et al. 2018; UNEP 2023; UNEP FI 2025
Acknowledge and address power inequalities. Hafferty et al. 2025
Strengthen local democracy and community control over land use. Hafferty et al. 2025
Empower women as agents of change leveraging their unique
knowledge to improve environmental, health and socioeconomic
outcomes.
IUCN 2024b; OECD 2024c
Recognise the rights of nature and the rights of Mother Earth as
stakeholder.
IPBES 2024
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22 January 2026 4:00am EST / 12:00pm EAT / 10:00am CET
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Acknowledgements
Foreword
Table of Contents
Glossary
List of Abbreviations
Executive Summary
INVALIDE)