Science News · Science

Surviving Extreme Heat and Space Mirrors

The summer of 2026 saw record-breaking heat waves in Western Europe and the United States, leading to increased mortality and severe droughts. These extreme weather events may become the new normal, prompting investigations into adaptation strategies.

Western Europe experienced its hottest June and July on record, with France and Germany seeing unusually high death tolls due to unprepared populations. In the U.S., the Lower 48 states recorded their hottest July, surpassing a 1936 Dust Bowl record, and nearly half the states faced drought. Reservoirs on the Colorado River, vital for 40 million people, reached historic lows.

Residents of Kearny, Arizona, are implementing strict water restrictions due to an 87% cut in their supply from the Gila River. While these measures may ensure survival this year, a decades-long megadrought in the Southwest shows no signs of abating, leaving future water security uncertain.

Scientists are exploring ways to help people adapt to extreme heat. While the human body can acclimatize to heat, vulnerable groups like the elderly and those with chronic conditions are at higher risk. Researchers are testing methods, such as hot baths, to pre-condition older adults to heat.

A company received permission to launch thousands of giant orbiting mirrors to reflect sunlight to Earth for solar power and urban enhancement. However, scientists warn these mirrors could disrupt space research and pose risks to life on Earth. Current regulations are inadequate to address these potential hazards.

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