Dirtiest Place on the Planet

We went to the single most polluted place on earth, the coal-mining town of Linfen in Shanxi Province, China, where kids play in dirty rivers and the sun sets early behind a thick curtain of smog.

We went to the single most polluted place on earth, the coal-mining town of Linfen, China. In part 2, we check out illegal coal mines and find out what what makes China the world's leading polluter.