Host Brazil will preside and set the agenda. For the talks to be a success, world leaders need to beef up efforts and money ...

Since 1980, overall damages throughout the U.S have reached or exceeded $3.1 trillion. As of June 2025, the U.S. has sustained 417 extreme weather events with a total cost exceeding $1 billion, ...

UNFCCC PavilionReliable climate and weather data are vital for early warnings, resilience, and effective climate action. Yet ...

As the frequency and ferocity of extreme weather events from wildfires to floods grows, the U.S. public is becoming more ...

The summit was organized by C40, a network of mayors from big cities that has pushed to be included in decisions on how to ...

As world leaders come to Brazil for climate talks, people like Cassiano are the ones with the most at stake. Poor communities are often more vulnerable to hazards like extreme heat and supersized ...

Graupel is soft, pelletlike precipitation that forms when supercooled water droplets freeze onto falling snowflakes, creating ...

Although the Greeks and Romans linked environmental harm with climate change to a more limited extent than we do today, they ...

The financial toll of weather and climate disasters in the United States broke all records in the first half of 2025. There were 14 separate, weather-related disasters with at least $1 billion damages ...