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. Photo: Jiang Wenyao/Xinhua via AP/Liting Yen
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WSJ Explains
News moves fast, and there's not always time to untangle the complex forces driving the day's biggest stories. WSJ Explains breaks down big market moves, business and economic trends, and scientific developments to help you stay ahead of the curve.