The head of the Environmental Protection Agency said March 11 she remains undeterred in the face of attacks on the EPA's power plant carbon pollution limits-including Senate Majority Leader Mitch McConnell's recent call for states to ignore them. In a speech to the Council on Foreign Relations, EPA Administrator Gina McCarthy vowed the power plant limits-which call for cutting carbon dioxide emissions 30 percent by 2030 from 2005 levels-will be finalized this summer.
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