The D.C. Circuit recently reversed EPA’s rescission of a 1990s rule that established an emergency affirmative defense under the Clean Air Act for Title V permit holders that exceed an emission limitation due to an emergency. Our team breaks down what this means for facilities facing unexpected emissions exceedances.
On June 18, 2025, the U.S. Supreme Court issued decisions in two significant Clean Air Act cases — EPA v. Calumet Shreveport Refining and Oklahoma v. EPA — clarifying the […]
In Seven County Infrastructure Coalition v. Eagle County, Colorado, the Supreme Court held that under the National Environmental Policy Act (NEPA), an agency evaluating a particular project is not required […]
On June 27, 2024, the U.S. Supreme Court decided SEC v. Jarkesy,[1] holding that when the Securities and Exchange Commission (SEC) alleges a defendant has violated securities antifraud provisions and […]
On Friday, June 28, 2024, the U.S. Supreme Court overruled Chevron v. NRDC in Loper Bright Enterprises v. Raimondo.[1] Although the Court’s decision to overturn Chevron was anticipated, Loper Bright […]
On April 17, 2024, the U.S. Environmental Protection Agency (EPA) published its “Strategic Civil-Criminal Enforcement Policy,” a landmark new internal enforcement policy for its civil and criminal enforcement offices (the […]
On January 19, 2023, the U.S. Environmental Protection Agency (EPA) published a Notice soliciting public comment on its proposal to add environmental justice, climate change, and per- and poly-fluoroalkyl substances […]