# Developing Nations Face Climate Finance Deficit as Loan Repayments Surge Rising debt obligations threaten to overtake new climate funding by the mid-2030s. - **Source:** [Climate Home News](https://www.climatechangenews.com) - **Published:** 2026-11-10 - **Topic:** [Finance](https://brifing.si/c/finance) - **Original article:** - **On Brifing:** https://brifing.si/s/7323caff-aa81-4d0b-8185-428d39f31220 ## Escalating Debt Repayment Crisis New research reveals that developing nations face a looming climate finance deficit. By the mid-2030s, annual loan repayments could exceed the value of new climate funding provided by developed countries. This analysis, covering 17,500 records between 2011 and 2024, highlights a critical structural flaw in current international climate support mechanisms. ## Tripling of Loan Costs Repayments on public climate loans, including interest and fees, surged from $6.9 billion in 2020 to $20.1 billion in 2024. This figure represents approximately one-fifth of the total public climate finance reported by developed nations that year, indicating that a significant portion of aid is effectively flowing back to lenders. ## The 2036 Tipping Point If current lending levels and terms persist, annual repayments on both old and new climate loans are projected to overtake fresh lending by 2036. This trajectory suggests that the net flow of climate finance to the Global South could turn negative, undermining the original intent of supporting climate-vulnerable nations. ## Major Lenders and Costs The World Bank remains the largest lender in this portfolio, followed by Japan and France. Across the board, loans totaling $489 billion are expected to cost borrowers an estimated $663 billion over their lifetimes. These figures underscore the long-term financial burden placed on developing economies through interest-bearing climate support instruments. ## Transparency and Accountability Issues John Nordbo of CARE Denmark argues that Global North countries obscure the reality of climate finance by failing to highlight these backflows. By presenting gross lending figures without accounting for repayments, donor nations create a misleading impression of their actual support levels, effectively cheating their own publics regarding their international commitments. ## Debt Distress in Vulnerable Regions Climate-vulnerable nations are currently caught in a broader debt squeeze, having paid a record $1.4 trillion in principal and interest in 2025. Nearly 94% of these countries are at significant risk of debt distress, spending approximately 25 times more on debt servicing than on essential climate action and adaptation measures. ## Misalignment of Financial Tools While concessional loans may suit revenue-generating projects, they are increasingly viewed as inappropriate for adaptation measures that protect lives without producing income. Experts argue that using loans for disaster recovery or for countries already in debt distress is fundamentally unsustainable and fails to address the specific needs of vulnerable populations. ## COP31 Policy Implications Climate finance is set to dominate the COP31 agenda in Türkiye, especially regarding the promise to deliver $300 billion annually by 2035. As aid budgets shrink and defense spending rises, the reliance on multilateral banks and private sector loans remains a contentious issue that threatens to define future climate negotiations. ## Sources covering this story - https://www.climatechangenews.com/2026/11/10/developing-countries-face-climate-finance-deficit-as-loan-repayments-soar/ — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._