Fierce bargaining at UN climate talks in Azerbaijan dragged into Saturday after a $250 billion a year offer from rich nations was flatly refused by developing countries hardest hit by Earth’s rapid warming.

Finance deal remains elusive at Cop29 as UN climate talks stretch into overtime - Negotiations at Cop29 in Baku, Azerbaijan were scheduled to finish on Friday evening but a final deal on climate finance remains elusive.

The European Union, United States and other wealthy countries at the COP29 climate summit have agreed to raise their offer of a global finance target to $300 billion per year by 2035, sources told Reuters on Saturday.

A draft deal at the U.N. Climate Change Conference calls for wealthy nations to give developing ones $250 billion a year starting in 2035.

The COP29 climate summit ran into overtime on Friday, after a draft deal that proposed developed nations take the lead in providing $250 billion in annual climate finance by 2035 drew criticism from all sides.

A draft proposal unveiled at the United Nations climate summit (COP29) in Baku, Azerbaijan, has exposed tensions between wealthy and developing nations over climate financing. The plan, released Friday,

UN climate talks looked set to overrun into the weekend as a deep gulf formed between richer and poorer countries over cash to help those most vulnerable in a warming world. Wealthier nations offered to more than double to $250bn a year the cash they give developing countries annually to fight climate change.

Independent expert group says amount falls short of $390bn a year needed by 2035 to deal with effects of global warming