Financing Biodiversity: How Global Funds Support Conservation

Biodiversity conservation requires more than just good intentions and policy agreements – it requires money. Protecting ecosystems, restoring habitats, managing protected areas, and supporting local communities all come with significant costs. For developing nations, which are often home to the richest biodiversity on Earth, finding the financial resources to fund these efforts is one of the greatest challenges. That’s where global conservation finance comes in, channelling funds from wealthier nations, multilateral institutions, and increasingly the private sector to where they’re needed most.

Why financial resources matter for biodiversity 🔗

Conservation is expensive. Establishing and managing protected areas, enforcing wildlife protection laws, monitoring species populations, and restoring degraded ecosystems all demand sustained investment. The global community needs to mobilize at least $200 billion in additional annual funding for nature conservation and restoration by 2030 to meet the targets set under the Kunming-Montreal Global Biodiversity Framework. Yet the current level of spending falls dramatically short of that goal.

The Paulson Institute estimates the annual investment needed to reverse biodiversity loss at a minimum of $711 billion, while current spending sits between roughly $124 and $143 billion – revealing an enormous financing gap. This shortfall hits developing countries hardest. Many of the world’s most biodiverse regions – tropical rainforests, coral reefs, mangrove coastlines – are located in nations with limited fiscal capacity.

Around 60% of low-income nations, many of which are the most climate-vulnerable, face high debt distress or risk of default, severely restricting their ability to invest in protecting biodiversity. Without dedicated financial mechanisms, these countries simply cannot meet their conservation commitments on their own. Financial resources are not a luxury in biodiversity conservation; they are the foundation upon which every other effort depends.

The role of the Global Environment Facility (GEF) 🔗

The Global Environment Facility (GEF) stands as the world’s most important multilateral funding body for environmental protection. It was established in October 1991 as a $1 billion pilot program within the World Bank to help developing countries take action on environmental challenges and promote sustainable development. Since then, it has grown into a vast network of funds and agencies serving 186 member nations.

The GEF focuses on six main areas: biodiversity, climate change (mitigation and adaptation), chemicals and waste, international waters, land degradation, and sustainable forest management. It also serves as the financial mechanism for several major international environmental conventions, including the Convention on Biological Diversity (CBD), the UN Framework Convention on Climate Change, and the Stockholm Convention on Persistent Organic Pollutants.

GEF’s track record and scale 🔗

Over the past three decades, the GEF has provided more than $27 billion in financing – primarily as grants – and mobilized another $155 billion in co-financing for country-driven priority projects. It is the largest source of multilateral funding for biodiversity globally, distributing more than $1 billion per year on average to address interconnected environmental challenges.

In recent years, the GEF has continued to scale up its commitments. In early 2024, the GEF Council approved $918 million for 45 projects and programs from the GEF Trust Fund, along with $203 million for climate adaptation projects through the Least Developed Countries Fund and Special Climate Change Fund.

The Global Biodiversity Framework Fund (GBFF) 🔗

One of the most significant recent developments in conservation finance is the creation of the Global Biodiversity Framework Fund (GBFF). Launched at the Seventh GEF Assembly in Vancouver in August 2023, the GBFF was ratified by 186 countries to mobilize and accelerate investment in the conservation and sustainability of ecosystems and species.

As of June 2025, a total of $386 million has been pledged to the GBFF by 12 sovereign and subnational contributors, including Austria, Canada, Denmark, France, Germany, Japan, and the United Kingdom. The fund has moved quickly from launch to deployment, with over $288 million in projects approved since 2024.

A distinctive feature of the GBFF is its focus on inclusivity. Up to 20% of the fund’s resources are targeted at supporting Indigenous-led initiatives to protect and conserve biodiversity. It has already set aside over $110 million for 22 projects in 24 countries, with 35% of this funding expected to support action by Indigenous Peoples and local communities.

Funding mechanisms and challenges 🔗

International biodiversity finance flows through several channels: multilateral grants (like those from the GEF), bilateral aid from individual donor countries, concessional loans from development banks, and increasingly, private sector investment. Each mechanism has its strengths and limitations.

Grants and Official Development Assistance (ODA) 🔗

Grants remain the most straightforward form of conservation finance, particularly for developing countries that cannot take on additional debt. The GEF’s model of providing grants to cover the incremental costs of making national projects globally beneficial has been effective. However, grant funding has not kept pace with the scale of the biodiversity crisis.

UNDP’s Biodiversity Finance Initiative (BIOFIN) has helped countries unlock over $2.7 billion for nature as of 2025 – up from $1.7 billion in 2024. Over 50 countries have now launched national biodiversity finance processes with BIOFIN and GEF support, bringing BIOFIN’s global footprint to over 130 nations. These plans help countries identify and implement finance solutions such as green bonds, ecological fiscal transfers, and realignment of public spending toward biodiversity goals.

Key challenges in securing adequate funding 🔗

Despite progress, several obstacles persist. First, political commitment fluctuates. When governments face economic downturns or competing priorities, environment budgets are often the first to be cut. Second, the complexity of tracking biodiversity finance makes it difficult to measure whether pledges are actually delivered. Third, absorptive capacity in many developing countries is limited – they may lack the institutional frameworks to effectively use the funds that are available.

There’s also the challenge of co-financing expectations. Projects approved by the GEF since July 2022 are expected to mobilize $8.50 in co-finance for every GEF dollar invested, including $8.1 billion from private sources. While this leverage ratio is impressive on paper, generating private co-financing in the least developed countries remains difficult due to perceived investment risks and weak institutional environments.

Finally, the sheer scale of the funding gap is daunting. Current mobilization efforts, while growing, are still a fraction of the hundreds of billions needed annually to halt and reverse biodiversity loss by 2030.

Innovative financing approaches 🔗

Given the limitations of traditional aid and grant-based funding, new financial instruments have emerged to help close the biodiversity finance gap. Two of the most promising are debt-for-nature swaps and green bonds.

Debt-for-nature swaps 🔗

A debt-for-nature swap is a financial arrangement in which a portion of a developing country’s debt is forgiven or restructured in exchange for commitments to invest in environmental conservation. In a typical swap, a country that has received development finance can cancel its debt if it agrees to earmark the funds that would have gone to debt servicing toward biodiversity protection.

The concept was first envisioned by WWF’s Thomas Lovejoy in a 1982 New York Times article, and the first major swap took place in 1987 when Conservation International purchased $650,000 of Bolivian debt for $100,000 in exchange for legal protection of nearly 4 million hectares in the Amazon Basin.

Since then, debt-for-nature swaps have evolved dramatically. Ecuador completed the world’s largest such swap, in which Credit Suisse helped the government buy back around $1.6 billion of debt for $644 million, saving roughly a billion dollars in repayments over 17 years. In return, the government committed to spending $18 million annually for 20 years on conservation in the Galápagos Islands.

The Nature Conservancy’s Nature Bonds Program now has six projects in implementation across Belize, Barbados, Gabon, The Bahamas, and Ecuador, and these projects are collectively expected to generate approximately $1 billion in conservation funding. In December 2024, Ecuador completed a second debt conversion, this time the first of its kind to focus on forestry and freshwater conservation rather than marine projects.

The momentum behind debt conversions is accelerating. In October 2024, six major environmental organizations – including Conservation International, The Nature Conservancy, and WWF – formed a coalition to scale debt conversions for climate and conservation, estimating they could unlock up to $100 billion in nature and climate finance.

Green bonds and biodiversity bonds 🔗

Green bonds are fixed-income instruments where the proceeds are earmarked for projects with environmental benefits. While green bonds have traditionally focused on climate-related areas like renewable energy and clean transport, they are increasingly being channelled toward biodiversity.

The International Finance Corporation (IFC) launched its Green Bond Program in 2010 and has since expanded its framework to include new biodiversity, ocean, and water categories. In fiscal year 2025, IFC delivered $25.7 billion in climate finance.

The share of green bonds that include biodiversity conservation as a use of proceeds has risen significantly – from 5% of instruments issued in 2020 to 16% in 2023. The development of blue bonds, a variation tailored specifically to marine and ocean-focused activities, has further expanded this space.

In 2022, The Nature Conservancy issued a $350 million green bond – the largest ever by a conservation non-profit – to advance projects with high impact for the planet. The proceeds are being allocated across over 100 conservation projects globally. Meanwhile, Zambia has used a landmark green bond to mobilize $150 million for renewable energy, and Malaysia’s Ecological Fiscal Transfer scheme now channels hundreds of millions annually to states that protect nature.

Biodiversity credits and other emerging tools 🔗

Beyond debt swaps and green bonds, a broader ecosystem of innovative instruments is emerging. Biodiversity credits – similar in concept to carbon credits – allow governments and companies to invest in measurable conservation outcomes. Payment for ecosystem services (PES) programs compensate landowners and communities for maintaining ecosystems that provide benefits like clean water, pollination, and carbon storage.

The GEF’s first-ever Innovation Window, launched in 2024, provides $12.3 million in grants to seven organizations working on new models and solutions for global environmental problems, including tools to align private finance with nature-positive outcomes.

BIOFIN now supports over 130 nations in designing Biodiversity Finance Plans that identify and implement solutions ranging from green bonds and fiscal transfers to biodiversity-linked insurance and subsidy reforms. This systematic, country-owned approach is transforming how governments plan, budget, and invest for biodiversity.

The road ahead 🔗

The financial architecture for biodiversity conservation has changed significantly in just the past few years. The creation of the GBFF, the resurgence of debt-for-nature swaps at unprecedented scale, the growing role of green and blue bonds, and the expansion of national biodiversity finance planning all represent meaningful progress. But the gap between what is being spent and what is needed remains vast.

Closing that gap will require wealthier nations to meet their commitments, private capital to flow at far greater volume, and developing countries to strengthen their institutional capacity to absorb and deploy funds effectively. Financial innovation alone won’t solve the biodiversity crisis, but without it, no amount of political will or scientific knowledge can translate into action on the ground.

What do you think? Should wealthier nations bear a greater share of the cost for protecting biodiversity in developing countries? And do financial instruments like debt-for-nature swaps risk creating new forms of dependency, or are they a genuine step toward equitable conservation?

References

1. https://www.thegef.org/
2. https://napglobalnetwork.org/innovative-financing/debt-for-nature-swaps/
3. https://www.ifc.org/en/about/investor-relations/green-bonds