As diplomats, scientists and activists from around the globe convene in Belém, Brazil, for COP30, The World's Host Carolyn Beeler speaks with Christiana Figueres, the former executive secretary of the United Nations Framework Convention on Climate Change and one of the architects of the Paris Agreement.

What is the purpose of COP30 and why are eyes on the United States as the summit gets underway? Here’s everything you need to know.

As United Nation climate talks get underway in Belem, a different kind of conference is kicking off: the People's Summit, a gathering of activists, organizers, environmentalists and Indigenous groups from around the world.

Nations have begun climate negotiations at the COP30 summit in Brazil. Studies show the world is not on track to avoid the most damaging impacts of climate change.

Naira Santa Rita, an internally displaced person from Brazil, directed her message to the entire audience: “Anyone of us in this room could be a climate refugee.” In a space shared by people from across the world,

Scientists report that emissions from fossil fuels rose by 1.1% in 2025, marking the second consecutive year of a small increase.

Democrats need to recast climate change mitigation as an affordability issue, Gov. Gavin Newsom said during the United Nations climate summit in Brazil on Tuesday.

Dozens of Indigenous protesters and other climate activists on Nov 12 forced their way into the main venue of the UN climate summit being held in Brazil. They scuffled with security officers inside the compound where thousands of delegates from countries around the world are attending this year's COP30 climate summit in the Amazon city of Belem.

A new United Nations report finds that global plans to fight climate change will barely reduce future warming, mainly caused by the burning of fuels like gas, oil and coal