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Friday, 23rd October 2026
Europe’s 2026 Summer Heatwave May Have Killed More Than 50,000, Study Estimates
23 October 2026 19:10 PM
NEWS DESK
More than 50,000 people are estimated to have died during Europe’s intense heatwaves this summer, making it potentially the deadliest summer on record for heat-related deaths across much of the continent, according to a new study cited by CNN on Friday.
The study estimates that climate change was directly responsible for more than 32,600 of those deaths. Pollution from burning fossil fuels is driving global warming and making heatwaves more intense, researchers said.
Claire Barnes, one of the study’s authors and a researcher specialising in extreme weather and climate change at Imperial College London, said the summer of 2026 was likely the deadliest on record from heat-related deaths across more than half of Europe.
The findings emerged just weeks before international leaders were due to gather in Turkey for the United Nations’ annual climate conference.
Days earlier, a UN report had warned that the world had effectively lost its remaining opportunity to limit global warming to 1.5 degrees Celsius above pre-industrial levels.
Barnes said the world had moved significantly off course in preventing the worst consequences of climate change. Governments, she added, must recognise that conditions would continue to deteriorate without rapid and coordinated action.
Europe is the world’s fastest-warming continent, and extreme heat is increasingly becoming one of its deadliest weather-related hazards. The effects are already placing growing pressure on communities across the region.
From late May to late August, exceptionally high temperatures swept across the continent. Western Europe experienced its hottest summer on record, with temperatures averaging around 2.9 degrees Celsius (5.2 degrees Fahrenheit) above the 1991–2020 average. On some days, temperatures in certain countries reached as much as 12 degrees Celsius (21.6 degrees Fahrenheit) above normal.
Researchers have found that climate change is accounting for an increasing share of heat-related deaths. At the beginning of this century, fossil fuel pollution was estimated to be responsible for around 40 per cent of heat-related deaths. That proportion has now risen to approximately two-thirds.
Raquel Nunes, an associate professor in health and environment at the University of Warwick, said the findings demonstrated just how deadly heatwaves could be.
Because the effects are not always immediately visible, extreme heat is often described as a “silent killer”, she noted.
Nunes also highlighted the deaths of younger people as a particular concern. Thousands of people under the age of 65 are believed to have died during this summer’s heatwaves, underscoring that extreme heat poses a serious threat beyond the elderly and other traditionally vulnerable groups.
The findings add to growing concerns over the human cost of climate change and the need for urgent measures to reduce greenhouse gas emissions and protect populations from increasingly severe heatwaves.
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