The financing plan, which calls for $300 billion per year in support for developing nations, was immediately assailed as inadequate by a string of delegates.

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.

Negotiations at Cop29 in Baku, Azerbaijan were scheduled to finish on Friday evening but a final deal on climate finance remains elusive.