The project, estimated to cost around USD 137 billion, is located in the ecologically fragile Himalayan region along a tectonic plate boundary where earthquakes occur frequently.

Chinese officials say that hydropower projects in Tibet will not have a major impact on the environment or on downstream water supplies.

China has recently approved the construction of the world's largest Hydropower dam on the Brahmaputra River, also known as the Yarlung Zangbo River in

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,

China announced that it is building the world's largest dam in Tibet - even larger than the Three Gorges Dam, which according to NASA, has slowed the Earth's rotation by 0.06 seconds. The new dam will be built on the Brahmaputra river.

China has assured India that the construction of a mega dam on the Yarlung Tsangpo river in Tibet will not harm the lower riparian states. The project aims to develop clean energy and has been studied for decades to ensure environmental safety.