Washington Environmental Counc v. Theodore Sturdevant

OPINION

M. SMITH, Circuit Judge:

The parties cross appeal the district court’s decision granting in part and denying in part their dispositive motions regarding environmental claims brought by the Washington Environmental Council (WEC) and the Sierra Club, Washington State Chapter, (collectively, Plaintiffs) under the citizen-suit provision of the federal Clean Air Act (CAA), 42 U.S.C. §§ 7401-7671q. Plaintiffs seek to compel the Washington State Department of Ecology (Ecology) and other regional agencies (collectively, the Agencies) 1 to regulate greenhouse gas emissions from the state’s five…