The COP29 talks have laid bare the divisions between wealthy governments and developing nations reeling from the costs of storms, floods and droughts fueled by climate change.

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.

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.