A pharmacy display shows a temperature of 42 degrees Celsius in Paris during a heat wave, Wednesday, July 29, 2026. (AP Photo/Aurelien Morissard).

A man walks on dried grass in a park, amid drought conditions in London, in London, Sunday, Aug. 9, 2026. (AP Photo/Kirsty Wigglesworth)

People walk over a stone dam, that is normally covered by water, towards the "Maeuseturm" (mice tower) in the middle of the river Rhine in Bingen, Germany Monday, Aug. 10, 2026. (AP Photo/Michael Probst)

Boats are stranded in a side arm of the river Rhine that is running out of water in Mackenheim near Mainz, Germany Monday, Aug. 10, 2026. (AP Photo/Michael Probst)

FILE - Cars line up at a Lukoil gas station in Moscow, Monday, June 29, 2026. (AP Photo/Pavel Bednyakov, File)

FILE - A plume of black smoke is seen over the port of St. Petersburg, Russia, on June 3, 2026, after a Ukrainian drone attack. (AP Photo, File)

Firefighters put out a fire after Russian missiles hit a warehouse in Kyiv, Ukraine, Wednesday, Aug. 5, 2026. (AP Photo/Dan Bashakov)

Smoke billows into the sky following Ukrainian drone strikes on warehouses of Russia's online retailer Wildberries, in St. Petersburg, Russia, Friday, July 24, 2026. (UGC via AP)