China's Megadams Create Power and Destroy Homes on the 'Roof of the World'

A huge network of dams along China’s longest river has the potential to generate enough hydropower for a quarter of the country’s output—but not without logistical challenges and geological risks.

A huge network of dams along China’s longest river has the potential to generate enough hydropower for a quarter of the country’s output—but not without logistical challenges and geological risks.