A dog runs over dried grass in front of Tower Bridge during the fifth heatwave of the year in London, Thursday, Aug. 13, 2026. (AP Photo/Kirsty Wigglesworth)

People watch a carousel on the South Bank of the River Thames during the fifth heatwave of the year in London, Thursday, Aug. 13, 2026. (AP Photo/Kirsty Wigglesworth)

The ruins of the ancient Roman Neronian bridge, emerge from the riverbed of the Tiber river due to drought, in Rome, Thursday, Aug. 13, 2026. (AP Photo/Gregorio Borgia)

The ruins of the ancient Roman Neronian bridge, emerge from the riverbed of the Tiber river due to drought, in Rome, Thursday, Aug. 13, 2026. (AP Photo/Gregorio Borgia)

The ruins of the ancient Roman Neronian bridge, emerge from the riverbed of the Tiber river due to drought, in Rome, Thursday, Aug. 13, 2026. (AP Photo/Gregorio Borgia)

An Aerial view shows extensive flooding in Buckhannon, W.Va., Wednesday, July 22, 2026. (Office of West Virginia Gov. Patrick Morrisey via AP)

An Aerial view shows extensive flooding in Buckhannon, W.Va., Wednesday, July 22, 2026. (Office of West Virginia Gov. Patrick Morrisey via AP)

This satellite image from the National Oceanic and Atmospheric Administration taken shows Hurricane Fausto in the eastern Pacific off Mexico’s Baja peninsula on Monday, July 20, 2026. (NOAA via AP)