The huge challenge now will be getting richer nations to pay up. Related: Poorer nations need $1tn a year by 2030 in climate finance, top economists find   06:06Dharna Noor Day 4 of Cop promises to be quieter,

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.

"Our citizens are faced with unprecedented climate shocks, we need more resources to prepare to respond in time, in order to save lives and livelihoods and to help people and communities rebuild after disaster. We cannot focus so much on 2050 that we forget 2024."

A coalition of world leaders from industrialized nations and climate-vulnerable countries at the UN Climate Change Conference in Baku called for more ambitious climate funding on Wednesday. "Trillions of dollars are required.

UN climate talks in Baku struggle with a lengthy draft on climate finance goals, facing challenges in condensing and aligning viewpoints.

The main task for nearly 200 countries at the U.N.'s COP29 climate summit is to broker a deal that ensures up to trillions of dollars in financing for climate projects worldwide.

A focus of this year's annual climate event will be striking a new deal onpossibly worth trillions—helping poor countries in the green transition.