August 24, 2012
The U.S. Environmental Protection Agency and WildEarth Guardians on Thursday asked a federal judge to dismiss the environmental group's lawsuit alleging the agency failed to approve soot and smog emission plans for seven states, saying the EPA has met its obligations.
September 22, 2011
North Dakota asked Wednesday to intervene in a California suit alleging the U.S. Environmental Protection Agency failed to approve Clean Air Act implementation plans for seven states, saying the EPA exceeded its authority under a consent decree.