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Susannah Marshall

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Soot Pollution 101 Article
Exhaust rises from smokestacks in front of piles of coal at NRG Energy's W.A. Parish Electric Generating Station in Thompsons, Texas. (AP/David J. Phillip)

Soot Pollution 101

Jackie Weidman and Susannah Marshall explain what soot is, how it harms public health, and the Environmental Protection Agency’s new standards to reduce the pollution, which are open to public comment.

Jackie Weidman, Susannah Marshall