Deadly Black Lung Disease Rises Among Coal Miners
Clip: 07/09/2012 | 6m 58s
Despite legislation meant to enact safety practices to prevent coal miners from getting black lung disease, workers are still being exposed to high levels of dust. Hari Sreenivasan talks to NPR reporter Howard Berkes about his investigation into the increased cases of the disease.
Aired: 07/09/12
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