World's largest dam to be built by China raises concerns in India, Bangladesh

FILE - Activists gather in Guahati, India, March 21, 2012, to protest construction of dams in China in the Brahmaputra River. In December 2024, China approved construction of the world’s largest hydropower dam, to be built on that river, fueling fears in India and Bangladesh. FILE - Water is released from the Three Gorges Dam, a hydropower project on the Yangtze River, in Yichang, central China's Hubei province, Sept. 7, 2020. FILE - The Mekong River is seen at Sangkhom district in the northeastern Thai province of Nong Khai, Oct. 31, 2019. The mighty river has been reduced to a thin neck of water across Northern Thailand, reaching record lows blamed in part on a dam hundreds of kilometers upstream.

China’s decision to build the world’s largest hydropower dam on a river that flows into India and Bangladesh has sparked concerns in both countries over the project’s potential impact on millions living downstream.