Photo: Last River Porpoises Dying in Polluted Yangtze



A newborn Yangtze finless porpoise swims alongside its mother at the Institute of Hydrobiology's "dolphinarium" on June 3, 2007.

The critically endangered porpoise—down to fewer than 1,800 animals in China's Yangtze River—are dying from exposure to insecticides and mercury coming from local industries, a new study says.

Photograph by China Photos/Getty Images


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