The Legal and Practical Challenges of California's Advanced Clean Fleets Regulation
Nota Bene Episode 101: Catching up with Global Climate Regulation with Nico van Aelstyn
Schoenbrod: SCOTUS Ruling Helps EPA Deal With a "Stupid Statute"
In a significant victory for environmental advocacy groups, the Supreme Court’s refusal on June 30, 2025 to grant certiorari in two pivotal cases (Port of Tacoma, et al. v. Puget Soundkeeper Alliance and ExxonMobil Corp., et...more
On May 29, 2025, the Supreme Court held that the National Environmental Policy Act (NEPA) — which requires federal agencies to analyze the environmental impacts of projects that they perform, fund, or approve — does not...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
In a significant development for environmental law and state autonomy, the Supreme Court of the United States (SCOTUS) recently declined to review whether the U.S. Environmental Protection Agency (EPA) has the authority to...more
The Clean Air Act (CAA) directs the Environmental Protection Agency (EPA) to set standards for common air pollutants. When the EPA sets these standards, States must submit a State Implementation Plan (SIP) showing how 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
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
The Supreme Court’s day started with the specter of yet another leak of a reproductive rights decision having occurred....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
Earlier this month, Judge William Young dismissed for lack of standing claims brought by the Conservation Law Foundation alleging that bus companies violated anti-idling regulations. The opinion is important, because it does...more
Chevron deference has been a staple of American federal jurisprudence since its implementation in 1984. The case, Chevron U.S.A., Inc. v. National Resources Defense Council, Inc., 467 U.S. 837, arose from EPA’s adoption of a...more
The United States Environmental Protection Agency (“EPA”) published on February 15th a final rule reaffirming its decision that it remains appropriate and necessary to regulate hazardous air pollutants (“HAP”) from power...more
On the last day of its 2022 term, the Supreme Court curtailed the Environmental Protection Agency’s ability to cut carbon emissions from the nation’s power plants. The court held that the “generation shifting”...more
On June 30, 2022, in a 6-3 decision, with Chief Justice John G. Roberts Jr. writing for the majority, the United States Supreme Court issued a decision in West Virginia v. EPA limiting the EPA’s ability to regulate carbon...more
On June 30, 2022 the Supreme Court decided West Virginia v. EPA. This case not only has environmental law implications, but also speaks directly to executive agency overreach in potentially many other contexts. On its face,...more
What Happened: West Virginia v. EPA - In West Virginia v. EPA, the Supreme Court ruled in favor of Jones Day client, the North American Coal Corporation, and determined that the EPA did not have clear authorization from...more
On June 30, 2022, the U.S. Supreme Court held in West Virginia v. Environmental Protection Agency, 597 U.S. ___ (2022), that the Clean Air Act did not clearly authorize the Environmental Protection Agency (EPA) to create the...more
Key Points- For the first time, the Supreme Court has invoked explicitly the “major questions doctrine”—which requires Congress to speak clearly when authorizing agency action in certain extraordinary cases—to strike...more
On June 30th, the United States Supreme Court issued its decision in West Virginia v. EPA. The Court concluded that the EPA had exceeded its authority under the Clean Air Act by establishing emission caps in the Clean Power...more
On June 30, 2022, the United States Supreme Court issued its long-awaited decision in West Virginia et al. v. Environmental Protection Agency et al., which invalidated the Clean Power Plan (“CPP”), an Obama-era regulation...more
On June 30, 2022, the United States Supreme Court struck down the Environmental Protection Agency's (EPA's) Clean Power Plan ("CPP"), limiting the agency's authority to address climate change, in the case West Virginia v....more
On June 30, 2022, the United States Supreme Court issued its long-awaited decision in West Virginia v. EPA, a case challenging the scope of the United States Environmental Protection Agency’s (“EPA’s”) authority to regulate...more
On June 30, 2022, the U.S. Supreme Court decided West Virginia et al. v. Environmental Protection Agency, holding that the EPA lacks authority under Section 7411(d) of the Clean Air Act to limit greenhouse gas emissions from...more
On June 30, the last day of an historic term, the Supreme Court issued its decision in West Virginia v. EPA. As expected, the Court struck down EPA's 2015 Clean Power Plan (CPP), which was intended to reduce greenhouse gas...more
The US Supreme Court’s recent invalidation of the Obama-era Clean Power Plan under the “major questions” doctrine could make it more difficult for the Environmental Protection Agency to craft a similar regulation in the...more