China recently authorized the construction of the largest dam in the world, which is expected to cost about $137 billion, on the Brahmaputra River in Tibet, close to the Indian border. Concerns about the dam's possible effects on water flow and regional stability have been raised by other nations,

Beijing's approval of a controversial mega dam in the lower reaches of the Yarlung Tsangpo River, which flows from Tibet autonomous region into India, has sparked concerns about the environmental impact of the project,

Beijing has approved plans to dam a gorge in the Himalayas that is three times as deep as the Grand Canyon, despite concerns about the impact on Tibet and India.