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"
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
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 U.S. Supreme Court today upended a 40-year-old decision that made it easier for the federal government to regulate the environment, public health, workplace safety, and consumer protections, delivering a far-reaching and...more
The Supreme Court’s day started with the specter of yet another leak of a reproductive rights decision having occurred....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
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
The U.S. Supreme Court rejected the U.S. Environmental Protection Agency’s (EPA) ability to regulate greenhouse gas emissions based on shifting from existing generation sources under Section 111(d) of the Clean Air Act (CAA)....more
In a 6-3 opinion, the high court struck a major blow to the United States Environmental Protection Agency (the EPA), ruling the EPA cannot provide states with the right to issue regulations reducing the amount of carbon...more
On June 29, 2022, the U.S. Supreme Court ruled that an arcane portion of the Clean Air Act (“CAA”), infrequently used by the EPA, could not serve as appropriate delegation of legislative authority to regulate greenhouse gas....more
On June 2, 2014, the U.S. Supreme Court announced it would not review a decision by the Court of Appeals for the Third Circuit allowing state common law tort claims against sources of air pollutants. This spells uncertainty...more
One of the long-running questions in the administration of the Clean Air Act is the extent to which EPA can implement the Act through market-based mechanisms, such as cap-and-trade programs. Yesterday, the Supreme Court...more
Two years ago, we reported that the D.C. Circuit vacated and remanded the U.S. Environmental Protection Agency’s (“EPA”) second attempt at regulation of air pollution crossing state borders. Facing two strikes, EPA swung for...more
In a 6-2 decision, the United States Supreme Court upheld EPA's justification for the Cross State Air Pollution Rule (CSAPR), breathing life back into the rule that had been vacated by the DC Circuit. The Court made several...more
On April 29, the Supreme Court issued a 6-2 decision upholding EPA’s Cross-State Air Pollution Rule (often known as the “Transport Rule”) implementing the Clean Air Act’s “good neighbor” provision. That provision requires...more
A significant issue in the recent federal government shut down was the fundamental question over the scope of government authority and its role in a wide range of activities. In short, should there be any government...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