New EPA Rules Target Power Plants' Toxic Mercury Emissions
Clip: 12/21/2011 | 10m 30s
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.
Aired: 12/21/11
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