A firefighters helicopter battles a fire in Deliblatska Pescara (Deliblato Sands), near the village of Sumarak, 70 kilometers north-west of Belgrade, Serbia, Friday, Aug. 7, 2026. (AP Photo/Darko Vojinovic)

smoke emerges from a forest during a wildfire in Deliblatska Pescara (Deliblato Sands), near the village of Sumarak, 70 kilometers north-west of Belgrade, Serbia, Friday, Aug. 7, 2026. (AP Photo/Darko Vojinovic)

Usually submerged areas of the Danube River are exposed amid exceptionally low water levels, in Rasova, Romania, Monday, Aug. 3 2026. (AP Photo/ Vadim Ghirda)

A woman uses a fan to cool off while riding a bus on a hot day, as the National Weather forecaster issued an extreme heat code red warning for most parts of the country, in Bucharest, Romania, Thursday, Aug. 6, 2026. (AP Photo/Vadim Ghirda)

A woman pauses while she walks through a water mist machine installed by city administration to assist people in coping with the heat, as the National Weather forecaster issued an extreme heat code red warning for most parts of the country, in Bucharest, Romania, Thursday, Aug. 6, 2026. (AP Photo/Vadim Ghirda)

Tourists take shelter as they walk in front of the Rome'a ancient Colosseum, Saturday, Aug. 1, 2026. (AP Photo/Alessandra Tarantino)

Durian farmer Kie Kim Hwa sets up a weather and climate sensor station at his hillside orchard in Balik Pulau, Penang Island, Malaysia, Wednesday, June 24, 2026. (AP Photo/Vincent Thian)

Durian farmer Kie Kim Hwa stands beside a weather and climate sensor station overlooking Penang Island in Balik Pulau, Malaysia, Wednesday, June 24, 2026. (AP Photo/Vincent Thian)