http://www.synthstuff.com/mt/archives/individual/2006/05/troubles_in_shanghai_the_yangtze_river.html The city of Shanghai sits at the delta of the Yangtze River and depends on it for its water. The Yangtze is in trouble — from CNN Science & Space: Yangtze river 'cancerous' with pollutionChina's longest river is “cancerous” with... en-us