La Niña and record cold temperatures in the U.S. should have made Earth cooler, but January 2025 was still the hottest on record, with an average global warming of 3.15 F (1.75 C) above pre-industrial ...

Millions of people are already experiencing the impacts of climate change in everyday life. A few tenths of a degree warmer ...

Winning images from the 2025 Walk of Water photo competition showcase vanishing frozen landscapes, from sparkling ice caves ...