Wildearth Guardians v. United States Environmental Protection Agency

EDWARDS, Senior Circuit Judge:

On June 16, 2010, Earthjustice, on behalf of WildEarth Guardians (“Guardians”) and other environmental groups, petitioned the Environmental Protection Agency (“EPA”) to add coal mines to the regulated list of stationary source categories under the Clean Air Act, 42 U.S.C. § 7411(b)(1)(A). The petition sought to have EPA initiate a rulemaking to: “(1) list coal mines as a category of stationary sources that emit air pollution which may reasonably be anticipated to endanger public health or welfare; (2) establish federal standards of performance for new and…