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.

In the wee hours Sunday at the United Nations climate talks, countries from around the world reached an agreement on how rich countries can cough up the funds to support poor countries in the face of climate change.

At COP29, nations agreed on a deal to inject at least $300 billion annually in humanity's fight against climate change and to help poor countries cope.