COP29 is focused on getting the money needed to tackle climate change on the table, but disagreements over who pays loom large.

Countries at the COP29 summit tried to make progress on how to raise up to $1 trillion in climate finance for the world's most vulnerable, as political tensions overshadowed the talks and Argentina on Thursday pulled its delegation from Baku.

A group of conflict-affected countries is pushing at COP29 to double financial aid to more than $20 billion a year to combat the natural disaster and security crises facing their populations, a letter seen by Reuters showed.

"You owe us!" screamed a protest banner at the COP29 summit in Azerbaijan, where negotiations over how much rich nations most responsible for climate change should pay poorer ones are

Developing countries need at least $1 trillion per year by the end of the decade to cope with climate change, economists told U.N. talks in Baku, where early efforts to reach a finance deal risk being overshadowed by diplomatic rows.