The Acre River winds through the city of Rio Branco, where smoke from fires fills the sky during a drought in Acre state, Brazil, Friday, Aug. 2, 2024. The city faces water shortages due to the river's low levels. (AP Photo/Marcos Vicentti)
A heron stands in the Acre River, the main water source for the city of Rio Branco which is facing water shortages during a drought in Acre state, Brazil, Friday, Aug. 2, 2024. (AP Photo/Marcos Vicentti)
Boats sit on the bank of the Acre River, the main water source for the city of Rio Branco, which is facing water shortages amid a drought in Acre state, Brazil, Friday, Aug. 2, 2024. (AP Photo/Marcos Vicentti)
Blackwater, left, pollutes the Acre River near Rio Branco, Acre state, Brazil, Friday, Aug. 2, 2024. The city of Rio Branco faces water shortages due to the river's low levels amid a drought. (AP Photo/Marcos Vicentti)