On June 16, Earthjustice filed a petition with EPA for rulemaking under the Clean Air Act to regulate methane and other emissions from coal mines. The petition was filed on behalf of Wildearth Guardians, the Center for Biological Diversity, the Environmental Integrity Project, and the Sierra Club.  James Holtkamp

On May 13, 2010, the Environmental Protection Agency (EPA) released the final Prevention of Significant Deterioration (PSD) Tailoring Rule, which will govern permitting of major stationary sources of greenhouse gas (GHG) emissions. The Tailoring Rule is the latest in a series of EPA rulemaking actions under the Clean Air Act designed to regulate GHGs.  James A. Holtkamp