The U.N.'s climate chief called on leaders of the world's biggest economies on Saturday to send a signal of support for global climate finance efforts when they meet in Rio de Janeiro next week, to help trigger a deal at COP29 talks.

The UN's climate chief urged G20 leaders on Saturday to push COP29 talks towards a deal to raise money for developing nations as diplomats struggled to find common ground in marathon negotiations.Samir Bejanov,

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,

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.

Cop29: UN climate talks 'no longer fit for purpose' say key experts - Letter from senior figures says the COP process has achieved much, but now needs an overhaul

Azerbaijani leader Ilham Aliyev has been praising fossil fuel and taking shots at geopolitical rivals, casting a cloud over the climate summit.

This year's U.N. climate summit is struggling to focus minds on the health of the planet, with turbulent geopolitics, a confrontational host and the reelection of U.S. climate skeptic Donald Trump stealing the limelight.

The United Nation's climate chief urged G20 nations on Saturday to push COP29 negotiations toward a deal to raise money for developing nations, warning there was a "long way to go." Negotiators worked through the night to narrow their differences at the U.