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 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

The Chinese government granted approval to build the Medog Hydropower Station on the lower reaches of the Yarlung Tsangpo river, where it is expected to generate 300 billion kilowatt-hours of power annually, three times the power of China’s massive Three Gorges Dam, according to the state-run Xinhua news agency.

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