China has launched the $167 billion Tibet mega-dam on the Yarlung Tsangpo River despite potential downstream risks in India and Bangladesh. The country has dismissed concerns that the project could affect water availability,

China has broken ground on what it says will be the world's largest hydropower project, a $170  billion feat capable of generating enough electricity each year to power Britain.

China begins construction of massive dam on Brahmaputra River, raising concerns about downstream impact on India and Bangladesh.