Countries at the COP29 summit tried to make progress on how to raise up to $1 trillion in climate finance for the world's most vulnerable, as political tensions overshadowed the talks and Argentina on Thursday pulled its delegation from Baku.

Former senior UN officials say climate talks ‘simply cannot deliver the change’ at the pace we need in open letter

The annual U.N. Climate Change Conference, or COP29, comes as Earth is on track to endure its hottest year on record, and many top leaders are not attending.

A group of former leaders and climate experts said the annual U.N. COP climate talks were no longer fit for purpose and needed to be reformed, publishing a critical open letter mid-way through what has so far been a fractious summit.

The US election victory of Donald Trump - a known climate sceptic - could also prove to be a distraction, and some important leaders are not attending. COP29 is the world's most important meeting on climate change. It is led by the UN, and the 2024 event, the 29th such gathering, runs from 11-22 November.

The United Nations' COP climate talks are "no longer fit for purpose" and need an urgent overhaul, key experts including a former UN secretary general and former UN climate chief have said. In a letter to the UN,

A group of high-level climate diplomats — including Christiana Figueres, who led the UN climate talks in Paris in 2015 — released an open letter Friday in the midst of COP29 calling for urgent reform of the summit process.

Open letter, signed by former president Mary Robinson, among others, says attendance of fossil fuel lobbyists presents a 'systemic imbalance in Cop representation' and calls for 'strict eligibility cr

The United Nations’ Conference of Parties (Cop) climate summits are “no longer fit for purpose” and require an urgent overhaul, climate experts and former UN chiefs have said.