U.S. Supreme Court Denies Request to Reinstate Injunction of Social Cost of Greenhouse Gases
On May 26, 2022, the U.S. Supreme Court issued an order in Louisiana v. Biden denying a request to intervene and reinstate a district court order that had blocked the administration from using a key climate metric, known as the social cost of greenhouse gas emissions (SC-GHGs). In 2021, the Biden administration set various interim SC-GHGs, including the SC-CO2 at $51 per metric ton of carbon dioxide, which two groups of states have challenged in federal courts in Louisiana and Missouri. (more…)
Eighth Circuit Denies Rehearing Request in Wide-Ranging New Source Review Appeal
On November 30, 2021, the U.S. Court of Appeals for the Eighth Circuit denied cross-petitions for rehearing in United States v. Ameren Missouri, a case that addressed the reach of the new source review (NSR) requirements of the Clean Air Act (CAA). In denying the cross-petitions, the Eighth Circuit left in place an August 20, 2021, panel decision that, among other things, upheld the Eastern District of Missouri’s decision to impose injunctive relief for past NSR violations but reversed the District Court’s decision to require controls at a different power plant operated by Ameren as a way of offsetting past violations. As such, the court leaves in place precedent that sustains the United States’ authority to seek and obtain injunctive relief for wholly past violations — but may be cited as a limit on future government efforts to obtain relief beyond bringing a source into compliance. (more…)