Harms from climate change are the biggest threat to world peace, the president of the United Nations General Assembly says. “To those who are arguing that in these times we have to focus more on peace and security,

As leaders meet in Belém, see what Iran, one of the world’s top ten carbon emitters, said about its plans to tackle climate change at COP30.

Cimate scientists are more certain than ever that humans are changing the climate – but there are signs of hope on the horizon.

More than 80 nations called for a road map for the world to reduce the use of gas, oil and coal. But the final decision on Saturday didn't mention the words "fossil fuels."

The United Nations High Commissioner for Refugees on Monday warned that by 2050, the hottest refugee camps could face nearly 200 days of extreme heat stress per year, posing serious risks to health

Pope Leo criticized world governments on Monday for failing so far to slow global warming and called for a stronger response to the threat, as countries at the U.N. climate summit in Brazil's Amazon city of Belem entered the second week of negotiations with a goal to resolve their thorniest issues ahead of schedule.

Protesters gathered outside a new space at the talks, the industry-sponsored “Agrizone,” to call for a transition toward a more grassroots food system, even as hundreds of lobbyists for big agriculture companies are attending the talks.

From the grand compromise on fossil fuels to the new items on the COP agenda, this is what you need to know about this year’s negotiations — and what comes next.