Europe’s heatwave has killed more than 1,300 people since June 21, the World Health Organization said, with France’s health ministry counting roughly 1,000 more deaths than expected in a single week. The toll has sparked a blunt question online: why does 43°C in Europe draw global alarm when parts of India regularly hit 45°C to 48°C with far less notice?
France recorded its hottest day since records began in 1947, hitting 44.3°C in Pissos and a June record of 40.9°C in Paris. Slovakia and Hungary each neared national highs above 41°C. Germany logged its hottest day in three straight days of records; tram tracks buckled and Berlin police fired water cannons to cool crowds. Britain broke its own June record too, reaching 37.7°C in Norfolk, well past the 35.6°C mark that had stood since 1976.
A rapid analysis by World Weather Attribution, a scientific network that traces climate change’s fingerprints on extreme weather, called it Europe’s most severe heatwave on record and found it 200 times more likely today than 20 years ago. Researchers compared this spell against the historic heat years of 1976 and 2003, estimating a similar event in 1976’s cooler climate would have run 3.5°C colder. The study examined 850 cities across 30 countries and found 45 percent had broken, or were about to break, their all-time heat-stress records — a measure combining temperature and humidity that predicts how hard a body has to work to cool itself.
“This event would not have been possible in June without climate change,” Theodore Keeping, the study’s lead author at Imperial College London, told reporters. Friederike Otto, a professor of climate science at the same institution, put it more bluntly: “It’s really now a question of what kind of future we want for ourselves, and whether we’re willing to do what it takes to secure it.”
The study also undercut a popular theory. Despite widespread speculation that El Niño was driving the heat, WWA found the Pacific warming pattern played no role in this particular spell.
Other climate scientists, not involved in the WWA analysis, described the pattern as a break from anything Europe has seen before. “What used to be rare has become a regular event,” Erich Fischer, a climate scientist at the Swiss Federal Institute of Technology in Zurich, said, comparing the record-breaking margins to a high jumper clearing the bar “on steroids” rather than by a centimeter or two. Samantha Burgess, deputy director of the Copernicus Climate Change Service, was more direct about what happens next: “Heatwaves are here to stay, until we turn the tap off to global emissions.”
Same Number, Different Body
Geography explains much of the gap felt on the ground, said energy and climate policy expert Siddharth Singh, writing on X. “In India, the sun hits from the top. In Europe, it hits at an angle, and significantly longer summer days can yield strong solar loads through the course of a day,” he wrote. European cities get up to 17 hours of daylight in peak summer, giving roads and buildings far longer to absorb heat than India’s shorter, more direct-sun days allow.
Air quality and wind add to the gap: clearer skies let sunlight hit Europe more directly, Singh said, while recent heatwaves there have brought near-zero wind that traps hot air over cities, unlike India’s heat, which usually moves with dry winds or humidity.
Housing may be the biggest factor. European homes were built to hold heat through long winters, not shed it in summer. “Many European homes are designed to retain heat during long winters rather than dissipate it during summer,” said Dr. Palleti Siva Karthik Reddy, a consultant physician at Elite Care Clinic, in comments to the Indian Express. Thick insulation and small windows keep indoor temperatures dangerously high well after sunset, he said.
Indian homes typically use stone floors, shaded courtyards and cross-ventilation, built to release heat rather than trap it.
Air conditioning followed the same logic. “Why would households invest in ACs when it crosses 25 degrees Celsius for less than seven days a year? New York has 4-5x more frequent warm days than Paris,” Singh wrote. Many European cities have also discouraged visible outdoor AC units to preserve their streetscapes — a trade-off he expects to erode as heat becomes routine.
Singh was careful not to frame this as India winning some heat contest: many Indians live without AC, under tin roofs, or beside neighbors’ units exhausting hot air into shared spaces. “We all need to prepare better for our respective heat waves,” he wrote.
The Bigger Picture
Some scientists argue the WWA findings, if anything, understate the danger. Michael Mann, a climate scientist at the University of Pennsylvania who wasn’t involved in the study, called the results reasonable but said they “may downplay climate change’s role” in the heat.
June isn’t Europe’s hottest month. July is — and forecasters warn there’s little reason to expect this pattern to break.
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