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FILE - A security guard wearing an electric fan on his neck wipes his sweat on a hot day in Beijing, July 3, 2023. Climate change is making heat waves crawl slower across the globe and last longer with higher temperatures over larger areas, a new study finds. (AP Photo/Andy Wong, File)
FILE - A girl drinks water from a public fountain tap in Madrid, Spain, July 18, 2023. Climate change is making heat waves crawl slower across the globe and last longer with higher temperatures over larger areas, a new study finds. (AP Photo/Paul White, File)
FILE - A woman uses a shirt to shield from the sun as she walks at an outdoor shopping mall on a sweltering day in Beijing, July 6, 2023. Climate change is making heat waves crawl slower across the globe and last longer with higher temperatures over larger areas, a new study finds. (AP Photo/Andy Wong, File)
FILE - A woman wearing sun protection headgear and sunglasses swims as residents cool off on a sweltering day at an urban waterway in Beijing, July 10, 2023. Climate change is making heat waves crawl slower across the globe and last longer with higher temperatures over larger areas, a new study finds. (AP Photo/Andy Wong, File)
FILE - Tourists visit the ancient Acropolis hill during a heat wave in Athens, Greece, on July 21, 2023. Climate change is making heat waves crawl slower across the globe and last longer with higher temperatures over larger areas, a new study finds. (AP Photo/Petros Giannakouris, File)