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Study Estimates More Than 50,000 Heat-Related Deaths in Europe During Summer 2026
Researchers estimated 32,000 deaths were linked to human-caused warming, underscoring the need for cities to adapt as heat waves intensify.
Researchers publishing in Nature Health estimated 50,391 heat-related deaths across 854 European cities this summer, making it the region's deadliest on record. The toll spans 30 countries and substantially exceeds mortality from previous major heat waves.
More than 32,600 of these fatalities are directly attributed to climate change driven by fossil fuel pollution, according to the findings. Earlier this century, fossil fuels accounted for about 40% of such deaths, showing a rising trend.
While the highest death rates occurred among people 85 or older, heat also claimed more than 800 lives between ages 20 and 44. Thousands under 65 died, demonstrating broad demographic vulnerability.
Raquel Nunes, an associate professor at the University of Warwick, said the findings contribute to "growing evidence of how deadly extreme heat can be, despite being described as a" "silent killer." These impacts were not always immediately visible.
These findings arrive weeks before international leaders gather in Turkey for annual climate talks. A recent report warned the world's chance of limiting global warming to 1.5 degrees Celsius above pre-industrial levels has now vanished.
According to a study, more than 50,000 people died this summer as a result of record temperatures. Climate change is expected to be responsible for around two thirds of the cases.