Until recently, the idea of environmental advocacy was largely unheard of in China. But that’s changing rapidly. At a legal aid center based in Beijing, Xu Kezhu and her colleagues are helping pollution victims stand up for their rights. The second in a series on Chinese environmentalists.

The coal industry, political leaders, and some environmentalists have high hopes for the concept of carbon sequestration, which takes carbon dioxide emissions from coal plants and buries them underground. But so far, this new technology does not live up to the hype.