Ass'n of Wash. Bus. v. Dep't of Ecology (Majority and Dissent)Annotate this Case
At issue was the promulgation of a novel rule by the Washington Department of Ecology addressing climate change. Specifically, the Washington Supreme Court was asked to determine whether the Washington Clean Air Act granted the Department broad authority to establish and enforce greenhouse gas emission standards for businesses and utilities that did not directly emit greenhouse gases, but whose products ultimately did. The Department claimed and exercised such authority in promulgating the rule at issue. The Supreme Court held that by its plain language and structure, the Act limited the applicability of emissions standards to actual emitters. "Ecology's attempt to expand the scope of emission standards to regulate nonemitters therefore exceeds the regulatory authority granted by the Legislature." The Court invalidated the Rule to the extent that it exceeded the Department's regulatory authority, while recognizing the Department could continue to enforce the Rule in its authorized applications to actual emitters.