China's Sun Jiajun competes during the men's 4x100m medley relay swimming heat at the 19th Asian Games in Hangzhou, China, Tuesday, September 26, 2023. (Photo by Lee Jin-man/AP Photo)

A combine harvester drives over a field of cut grass and threshes lawn seeds from the dried plants in Hanshagen, Germany, Thursday, June 30, 2022. In Mecklenburg-Western Pomerania, the harvest has started earlier than usual due to the heat. (Photo by Jens Büttner/dpa via AP Photo)

Dan Copeland, left, and Alex Morneau of Biddeford, Maine, former high school cheerleaders, perform back flips while enjoying the record breaking heat, Thursday, May 18, 2017, at Old Orchard Beach, Maine. The temperature climbed well into the 90s in many locations throughout the state. (Photo by Robert F. Bukaty/AP Photo)

A helicopter drops fire retardent to protect a property in Balmoral, 150 kilometres southwest of Sydney on December 19, 2019. A state of emergency was declared in Australia's most populated region on December 19, as a record heat wave fanned unprecedented bushfires. (Photo by Peter Parks/AFP Photo)

People wear clothing to protect them from the heat while riding along a street in Hanoi, Vietnam, 24 April 2019. North and central Vietnam was recently affected by extreme hot weather, with the highest temperatures reaching over 40 degrees Celcius, according to the National Centre for Hydro-meteorological Forecasting. (Photo by Luong Thai Linh/EPA/EFE)

People cool off in Crown Fountain in Millennium Park on August 12, 2021 in Chicago, Illinois. As temperatures climb across the nation, nearly 200 million Americans are under some level of heat advisory. (Photo by Scott Olson/Getty Images)

Spain's Oscar Husillos (R) passes the baton to Spain's Eva Santidrian (L) in the mixed 4x400m relay heats during the World Athletics Championships at Hayward Field in Eugene, Oregon on July 15, 2022. (Photo by Andrej Isakovic/AFP Photo)

A heat-stressed koala waits as a resident pours water on its back on December 19, 2015 in Adelaide, Australia. Adelaide is experiencing an extreme heatwave, with temperatures reaching over 40 degrees for five consecutive days. (Photo by Morne de Klerk/Getty Images)