EPA issues state guidelines for greenhouse gas emissions

States gain considerable discretion in regulating carbon dioxide emissions from large industrial facilities. On Jan. 2, the largest polluters will have to show how they plan to curb emissions. Pressing ahead with plans to reduce greenhouse gas emissions despite a congressional stalemate over global warming, the Environmental Protection Agency on Wednesday issued guidelines that gave states considerable discretion in regulating carbon dioxide emissions from large industrial facilities.

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EPA issues state guidelines for greenhouse gas emissions