Half the world endured extra month of extreme heat due to climate change
A man walks on a hot summer day in Srinagar, India-controlled Kashmir, July 25, 2024SCIENTISTS say four billion people — about half the world’s population — experienced at least one extra month of extreme heat from May 2024 to May 2025 because of human-caused climate change.
The extreme heat caused illness, death, crop losses and strained energy and healthcare systems, according to the analysis from World Weather Attribution, Climate Central and the Red Cross.
“Although floods and cyclones often dominate headlines, heat is arguably the deadliest extreme event,” the report said.
Many heat-related deaths are unreported or are mislabelled by other conditions like heart disease or kidney failure.
The study shows how much climate change boosted temperatures in an extreme heat event and calculated how much more likely its occurrence was because of climate change.
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