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)

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)

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, with St. Isaac's Cathedral seen in foreground. (UGC via AP)

Mohamed Yakub Janabi, second left, WHO regional director for Africa, attends a press conference in Bunia, Congo, Monday, Aug 10, 2026. (AP Photo/Dieudonne Dirole)

Mohamed Yakub Janabi, WHO regional director for Africa, speaks during a press conference in Bunia, Congo, Monday, Aug. 10, 2026. (AP Photo/Dieudonne Dirole)