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[INTERNATIONAL] · United Kingdom, Germany, France, Spain, Italy · 20 sources

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Europe heatwave kills over 50,000 people in summer 2026

A study published in Nature Health estimates that more than 50,000 people died due to extreme heat in 854 European cities during the summer of 2026. Researchers from Imperial College London and the London School of Hygiene and Tropical Medicine found that approximately 32,619 of these deaths can be attributed to human-induced climate change resulting from the burning of fossil fuels.

The 2026 season was the deadliest heat season in Europe since modeling began in 2000, significantly exceeding the death tolls of 2022 and 2003. The study noted that people aged 85 and older accounted for about half of the estimated fatalities. In the United Kingdom, approximately 4,500 heat-related deaths were recorded.

Beyond the human toll, the extreme weather had significant economic consequences. A Bloomberg Economics study estimated that the heatwave wiped roughly 0.17% from the European Union's GDP between April and September, a loss of nearly €17 billion. In Germany, the hottest day of the season was found to be, on average, three degrees warmer due to climate change.

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Bloomberg Economics · Clair Barnes · Europe · European Green Party · Freie Universität Berlin · Imperial College London · London School of Hygiene and Tropical Medicine · Nature Health

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