The U.N.’s annual climate conference has swelled over three decades, with governments, fossil fuel interests and others vying for influence.

COP29, this year's biggest environmental conference, is now underway. Here is how leaders from around the world are coming together to advance global climate efforts.

BAKU (Reuters) -World leaders are speaking at the U.N. climate summit in Baku on Tuesday where United Nations Secretary General Antonio Guterres has told them to "pay up" to prevent climate-led humanitarian disasters.

The UN has been forced to step in after a row about a lack of vegan options erupted at the Cop29 climate summit in Baku.