Scientists say 4 billion people, about half the world’s population, experienced at least one extra month of extreme heat ...

A new attribution study shows every single extreme heat event since last May was made more probable by climate change.

Although floods and cyclones often dominate headlines, heat is arguably the deadliest extreme event,” the report said.

Scientists say 4 billion people, about half the world’s population, experienced at least one extra month of extreme heat because of human-caused climate change from May 2024 to May 2025.The ...