How Human-Caused Global Warming Led to 66% of Heat-Related Deaths in Europe This Summer

This summer was particularly brutal in Europe, with human-caused climate change leading to two-thirds of heat-related deaths. An early report showed that out of around 24,400 heat deaths from June to August in large cities, about 16,500 were tied to extreme temperatures fueled by greenhouse gases.

According to climate scientist Friederike Otto, the hot weather made the average temperature in these cities around 2.2°C higher than it would have been without climate change. Otto noted, “The link between burning fossil fuels, rising temperatures, and increased mortality is clear. If fossil fuel use hadn’t continued for decades, many lives could have been saved.”

Older adults were hit the hardest, with 85% of those who died being over 65. The study found that many of the deaths occurred at home or in hospitals, where individuals with existing health issues faced the most danger. This highlights a troubling trend: while heat is a significant risk, it’s often overlooked in death reports.

Some specific cases illustrated the tragedy. In Spain, a 77-year-old man collapsed during a walk in 45°C heat. In Italy, a 47-year-old father died while working outdoors in temperatures of 38°C, just before a local order to halt such work was to take effect.

Epidemiologist Garyfallos Konstantinoudis pointed out that the health risks from heat are still understated. “No one would expect to work in heavy rain or strong winds,” he said, urging for greater recognition of heat’s dangers.

Cities in Europe have improved their response to heat compared to the devastating heatwave of 2003, which claimed 70,000 lives. Yet, emergency services still struggle with rising temperatures and an aging population. Doctors advocate for local action plans during heatwaves, more green spaces in cities, and better access to air-conditioning for vulnerable groups, especially in nursing homes.

Madeleine Thomson, a health adaptation expert, emphasized the need for immediate action. She stated, “No city in Europe is immune to extreme heat fatalities.” Without prompt measures to phase out fossil fuels and protect vulnerable populations, the future could see even higher death counts due to heatwaves.

These recent events and findings underline the urgent need for community awareness and action regarding the health impacts of climate change. More can be done to protect those at risk as temperatures rise.



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