China's cancer riverTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoEdgar Wolf01/18/2014January 18, 2014Edgar Wolf reports on how Huo Daishan, a member of China's budding environmentalist movement, has fought to save the Huai River for decades. And how his efforts are paying off.https://p.dw.com/p/1At35Advertisement