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.

Half way through the UN climate conference in Baku, the UN climate chief looked ahead to the gathering of the Group of 20 (G20) powers next week and issued a dire warning about the outlook for the globe unless changes are made.

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. The plea,

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,