#ExtremeHeat is cutting the time people can safely be active #outdoors Using #globalheat, #humidity and demographic data, scientists found that sweltry conditions now limit light physical activity for #adults ages 18 to 40 for about 50 hours a year, on average. That’s double what young adults faced from 1950 to 1979. Meanwhile, adults over 65 now experience an average of about 900 hours of activity-limiting conditions each year. https://www.sciencenews.org/article/extreme-heat-outdoor-activity-unsafe https://archive.ph/GTkYK