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2d ago

Study Links Climate Change to Two-Thirds of 24,400 Summer Heat Deaths in European Cities

Rapid, not‑yet–peer‑reviewed modelling pairs city warming with mortality data to produce early country and city estimates.

Eine Touristin wedelt sich bei heißem Sommerwetter mit einem Fächer Luft zu.
Image
Der Temperaturanstieg infolge des Klimawandels ist einer Studie zufolge für rund 16.500 Todesfälle in europäischen Städten in diesem Sommer verantwortlich. Der vom Menschen verursachte Klimawandel sei ursächlich für fast 70 Prozent der geschätzt 24.400 Hitzetoten, erklärten die Wissenschaftler.
Zwei Personen in Warnweste vom Hitzebus-Team des Deutschen Roten Kreuzes.

Overview

  • Researchers estimate about 24,400 people died from extreme heat in summer 2025 across 854 cities, with roughly 16,500 attributable to human-caused warming.
  • Anthropogenic warming raised city temperatures by about 2.2°C on average, reaching up to 3.6°C in some locations, intensifying the lethality of heatwaves.
  • Older residents were most affected, with around 85% of the heat-related deaths occurring among people aged 65 and over.
  • Country and city counts include Italy 4,597, Spain 2,841, Germany 1,477; capitals saw 835 deaths in Rome, 630 in Athens, 409 in Paris, 387 in Madrid, 360 in Bucharest, 315 in London, and 140 in Berlin.
  • The analysis covers roughly 30% of Europe’s population and omits some regions, and the authors describe the figures as early model-based estimates; Germany’s RKI separately estimates about 2,600 heat deaths nationally through end‑August.