
On January 19, the D.C. Circuit vacated the Affordable Clean Energy Rule (ACE), a rule intended to reduce greenhouse gas (GHG) emissions emitted from power plants. Am. Lung Ass’n et al. v. EPA, No. 19-1140. The lengthy opinion touches on numerous issues raised over the last 10 years as EPA has bumped toward the goal of regulating greenhouse gases. The opinion appears to be grounded in EPA’s own assertions, made in this and other rulemakings, that climate change is a grave threat to society and power plants are a significant source of GHGs. Continue Reading Affordable Clean Energy Rule Vacated