Global warming raises heat risk for major cycling race

(CN) - For decades, the Tour de France has unfolded under the July sun, fortunately without crossing into the highest heat-risk category during race stages. But researchers say that as climate change drives more frequent and intense heatwaves across Europe, that luck may not hold.

Climate data, linked to more than 50 editions of the race between 1974 and 2023, show a steady rise in heat stress risk, with rec