Scientists say 4 billion people experienced at least one extra month of extreme heat because of human-caused climate change from May 2024 to May 2025.

Between May 2024 and May 2025, 4 billion people experienced at least 30 additional days of extreme heat. Nearly half of the world's population suffered an extra month of extreme heat last year. This ...

A new analysis says human-caused climate change had a key role in the record-breaking heat wave in Iceland and Greenland in ...

Last year was the planet's warmest year on record and the first calendar year in which Earth's global average surface ...

According to NOAA, the year-to-date-period (Jan-May) has been the second-warmest on record for the globe, behind only 2024.

The extreme heat caused illness, death, crop losses, and strained energy and health care systems, according to the analysis from World Weather Attribution, Climate Central and the Red Cross.