Research

Study estimates 50,391 heat deaths in European cities this summer

Researchers estimated 50,391 heat-related deaths across 854 European cities, including 32,619 attributed to human-caused climate change.

Reported by 3 outlets Friday, October 23, 2026

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A study estimates that 50,391 people died from heat in 854 European cities during June, July and August. Researchers attributed 32,619 of those deaths to the extra heat caused by human-driven climate change. The findings are based on statistical modeling of heat and mortality, rather than counts of deaths recorded as heat-related on death certificates.

The cities included in the analysis represent about 40% of Europe’s population. The researchers said the figures do not include a deadly heat wave in May, and the city estimates cannot be easily extended to people living in towns and villages. The study is due to appear in Nature Health, according to ABC News.

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