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.

At the United Nations climate talks in Baku, Azerbaijan, wars are top of mind for some leaders and activists who have converged to discuss ways to limit global warming.

Diplomats and leaders from around the world are gathering for annual climate negotiations. Here’s what they’re all about and what Donald Trump’s victory means for the meeting.

This year's U.N. climate summit is struggling to focus minds on the health of the planet, with turbulent geopolitics, a confrontational host and the reelection of U.S. climate skeptic Donald Trump stealing the limelight.

As we approach the halfway mark of the UN Climate Change Conference or COP29 in Azerbaijan, a group of former leaders and climate experts has published a critical open letter highlighting what has so far been a fractious summit that has made little progress.

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.