A final text was released early Sunday following several sleepless nights for negotiators, with tensions boiling over as small islands states and the world's poorest countries walked out of one meeting.

Countries agreed on a deal to inject at least $300 billion annually in humanity's fight against climate change, aimed at helping poor nations cope with the ravages of global warming at tense United Nations climate talks in the city where industry first tapped oil.

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.