As debt-for-nature swaps regain global traction, their promise of aligning fiscal relief with conservation objectives will depend on credible additionality, robust governance, and durable domestic ownership
Debt-for-nature swaps have regained prominence globally, with more and more indebted countries using them to raise money for climate-related projects. Under such arrangements, a debtor country redirects payments in local currency toward agreed-upon climate mitigation and adaptation projects, instead of making payments on outstanding loans. While they are often presented as a win-win, their fiscal and conservation gains often depend heavily on transaction design and safeguards.
The Republic of Congo recently announced discussions on a debt-for-nature swap to convert part of its US$5 billion external debt into financing for environmental protection projects. This follows its US$670 million Eurobond issuance. For the Republic of Congo, the appeal of such a financial instrument is evident. It faces persistent fiscal constraints, mainly due to volatile oil prices and high debt servicing costs. At the same time, it must steward an ecosystem of immense global ecological significance: the Congo Basin. A well-designed swap could align debt relief with long-term conservation objectives.
A well-designed swap could align debt relief with long-term conservation objectives in the Republic of Congo.
In multiple cases, fiscal relief has been modest and conservation commitments have been tough to sustain over time. These risks are particularly pronounced in the absence of credible fiscal additionality, robust governance of conservation funds, and alignment with domestic institutions. These structural challenges must be addressed as the Republic of Congo and the European Union explore this option.
One rationale for a debt-for-nature swap is that it simultaneously provides macroeconomic relief and conservation finance. However, in practice, the fiscal impact tends to be uneven and modest, especially in countries where underlying debt and revenue dynamics are constrained. According to a report by the International Monetary Fund (IMF), many debt-for-nature swaps are typically small relative to overall debt stocks (Figure 1), and on their own, are unlikely to materially improve debt sustainability outcomes.
Figure 1: Low- and middle-income countries paid more than US$7.6 trillion in debt service versus US$8.4 billion treated through debt-for-nature swaps between 1987 and 2023.
In the Republic of Congo, total public debt is high, and liquidity pressures are acute. The debt-to-GDP ratio fell from 103.6 percent in 2020 to 93.6 percent in 2024, but the domestic share increased. Debt service absorbed almost 60 percent of government revenue in 2024. Such pressures have prompted the government to pursue debt reprofiling (“Plan National d’Optimisation de la Trésorerie”) and tighter cash management to prevent a fiscal squeeze.
Against this backdrop, Seychelles’ experience is instructive. A 2016 swap restructured its sovereign debt of US$21.6 million in exchange for ocean protection commitments. However, studies reveal that sovereign debt was not reduced by the transaction, nor were newer environmental protections secured beyond commitments already made prior to the swap. The fiscal impact was one of refinancing rather than net debt relief.
In multiple cases, fiscal relief has been modest and conservation commitments have been tough to sustain over time. These risks are particularly pronounced in the absence of credible fiscal additionality, robust governance of conservation funds, and alignment with domestic institutions.
For a debt-for-nature swap to deliver credible macroeconomic benefits, fiscal additionality will need to be demonstrable ex ante. This will require clear evidence that the transaction generates net debt reduction or durable debt service relief relative to baseline projections.
Second, the effectiveness of a debt-for-nature swap also depends on how conservation funds are governed. Across many swaps, implementation has been linked to special-purpose vehicles designed to ring-fence resources for environmental outcomes. On the one hand, these structures may enhance accountability. On the other hand, they may introduce governance risks when they operate outside core public financial management systems.
These risks are non-trivial in the Republic of Congo. Weak transparency and long-standing challenges in forest sector governance raise questions about ownership and the enforcement of decisions. If funds are managed externally, the arrangement may not adequately take into account local perspectives, as was the case in Ecuador’s US$1.1 billion Galapagos debt-for-nature swap. The deal funnelled funds through NGOs and the Inter-American Development Bank, while excluding Indigenous and local communities from key decisions. This led to complaints concerning opaque fund allocation.
Many debt-for-nature swaps are typically small relative to overall debt stocks and, on their own, are unlikely to materially improve debt sustainability outcomes.
In addition, debt-for-nature swaps rely on sustained compliance over long-term horizons. Monitoring forest protection and conservation outcomes requires technical and institutional capacity that cannot be assumed. Thus, governance must be treated as a core priority in the Congo-EU talks. Transparent fund management, clear accountability, and independent, third-party oversight will be central to ensuring the success of the swap.
Finally, debt-for-nature swaps often embed forms of conditionality. These arrangements typically require detailed reporting, independent monitoring, and long-term restrictions on land-use and forest exploitation. While such safeguards are necessary to protect environmental objectives, they also introduce political economy risks.
Forests and land are interconnected with development planning and domestic political priorities, especially in Congo. If negotiated through external debt frameworks, conservation commitments may be perceived as constraining sovereign policy space. Experience from Belize’s 2021 debt swap shows how design can mitigate this issue to some extent. The deal aligned with the government’s existing commitments to international biodiversity and climate agreements. However, the transaction also revealed political durability risks, as its private sector-led structure relied on confidential negotiations that limited public scrutiny and early community participation. Consultations under the Marine Spatial Plan were also criticised as rushed. In addition, performance-linked obligations often extend beyond the period over which debt relief benefits are realised. Over time, such mismatches increase the likelihood of renegotiation, selective compliance, or commitment dilution.
Transparent fund management, clear accountability, and independent, third-party oversight will be central to ensuring the success of the swap.
For the Congo-EU swap to be politically durable, conditionality would need to be rooted within domestic legal and institutional frameworks. Conservation commitments should be explicitly aligned with national development plans and land-use regulations to strengthen domestic ownership.
The ongoing discussions between the Republic of Congo and the European Union represent an important test case. A well-structured swap that is grounded in credible debt relief, transparent governance, and strong domestic ownership could contribute meaningfully to both fiscal stability and environmental protection. However, for the swap to deliver tangible benefits, negotiations will need to prioritise clear fiscal metrics. In addition, conservation commitments will need to be aligned with Congo’s domestic frameworks and long-term development plans to strengthen local ownership and political durability. Without such safeguards, these instruments are unlikely to change underlying debt dynamics or even secure long-term conservation outcomes.
Abhishree Pandey is a Research Assistant with the Centre for Economy and Growth at the Observer Research Foundation.
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Abhishree is a Research Assistant at the Centre for Economy and Growth in New Delhi. Her areas of interest include climate policy, energy, and adaptation ...
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