UK claims £11.6 billion climate aid target met, questions arise over £2 billion.

The United Kingdom said on Tuesday it had met its 2026 climate‑aid target of £11.6 billion, but an analysis by Carbon Brief shows the figure includes about £2 billion of “questionable accounting” that does not represent new money for developing nations. The UK’s Department for International Development (DFID) counted funds already pledged under other programmes and re‑classified some private‑sector investments as official climate finance to close the gap.

The revelation comes as the UK faces growing pressure to deliver on its climate‑finance promises made at the Paris Agreement and reiterated at the 2021 Glasgow summit. Developing countries rely on these pledges to fund renewable‑energy projects, adaptation measures and loss‑and‑damage support. In recent years the UK has been praised for its ambitious target, but critics have warned that many rich nations inflate their contributions by counting loans, guarantees or projects that would have happened anyway. The UK’s accounting method now appears to follow the same playbook, raising doubts about the credibility of its reporting.

Carbon Brief’s review identified that £1.3 billion of the reported aid came from the Green Climate Fund’s “blended finance” pool, where public money is mixed with private capital that would likely have been attracted without the UK’s involvement. Another £700 million was taken from the UK’s existing overseas development assistance budget, re‑labelled as climate finance even though the projects were not new. NGOs such as Climate Aid Watch called the move “a transparent attempt to meet a headline target while sidestepping the spirit of the pledge”. The UK government, through a spokesperson, said the methodology follows the OECD’s reporting guidelines and that the funds will still help vulnerable communities.

The controversy is likely to shape the UK’s climate‑finance reporting ahead of the upcoming COP28 talks in Dubai, where nations will be asked to update their contributions. The Treasury has promised a review of its accounting rules and may tighten the criteria for what counts as climate aid. If the UK tightens its definitions, it could reduce the reported total but improve trust with developing partners. For now, the story highlights the tension between meeting numerical targets and delivering real, additional support to those most at risk from climate change.