New EPA Rules Target Power Plants' Toxic Mercury Emissions

Aired: 12/21/2011 | 0:10:30 | Clip
The Environmental Protection Agency unveiled new standards Wednesday to curb mercury emissions from coal- and oil-fueled power plants around the country. Gwen Ifill discusses the announcement with the Electric Reliability Coordinating Council's Scott Segal and the Natural Resources Defense Council's John Walke.

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