The U.S. Supreme Court issued a pair of decisions in EPA v. Calumet Shreveport Refining and Oklahoma v. EPA on June 18, 2025, resolving two related circuit splits regarding proper venue for challenging certain U.S....more
Every law student learns that the Administrative Procedure Act (APA) outlines the default rules for how federal agencies propose and finalize regulations and how courts review them. But for many significant actions under the...more
The Clean Air Act (“CAA”) envisions states and the federal government working together to improve air quality. Under the CAA, states must develop State Implementation Plans (“SIPs”) to implement National Ambient Air Quality...more
Last week, in a 5-4 opinion, in Ohio v. Environmental Protection Agency, the U.S. Supreme Court granted applications for a stay of the implementation of the “Good Neighbor” Plan, the EPA’s federal emissions reduction rule,...more
The US Supreme Court issued on June 27, 2024 an opinion in Ohio v. EPA staying enforcement of the US Environmental Protection Agency’s (EPA’s) Federal Implementation Plan (FIP). The FIP sought to impose more stringent...more
In a 5-4 opinion on Thursday, the U.S. Supreme Court temporarily stayed the enforcement of the Environmental Protection Agency’s “Good Neighbor Plan” under the Clean Air Act. Under the Good Neighbor rule, the EPA required...more
The Environmental Protection Agency, under the Clean Air Act, requires states to work with the EPA to address the interstate transport of air pollution. Under the “Good Neighbor Plan,” the EPA requires each state to implement...more
A group of state and territorial attorneys general sent a July 28th letter to United States Environmental Protection Agency (“EPA”) Administrator Michael Regan asking that a Clean Air Act National Ambient Air Quality Standard...more
On April 24, the Supreme Court issued a 6-2 decision in EPA v. EME Homer City Generation, L.P., No. 12-1182, 572 U. S. ____, 2014 WL 1672044 (2014), upholding EPA’s latest version of a regional cap-and-trade program under the...more
On Tuesday, April 29, 2014, the U.S. Supreme Court upheld the U.S. Environmental Protection Agency’s (“EPA”) Cross-State Air Pollution Rule (“CSAPR”). EPA v. EME Homer City Generation, L.P., No. 12-1182. In a 6-2 decision,...more
Updates on Environmental, Administrative and Regulatory Law - On April 29th, the United States Supreme Court upheld EPA’s Cross-State Air Pollution Rule (CSAPR) regulations and reversed the 2012 decision by the U.S....more
The U.S. Supreme Court will give the Environmental Protection Agency another chance to justify its rule targeting interstate air pollution. On June 24, 2013, the Court agreed to take up this issue by reviewing a case from the...more