A chunk of coal is displayed in the Cumberland mine in Waynesburg, Pennsylvania.
A chunk of coal is displayed in the Cumberland mine in Waynesburg, Pennsylvania. Philadelphia Inquirer/MCT
A chunk of coal is displayed in the Cumberland mine in Waynesburg, Pennsylvania. Philadelphia Inquirer/MCT

National

March 29, 2012 3:05 PM

EPA climate proposal could limit coal's future, at least in U.S.

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