Podcast - Diamond Alternative Energy, LLC v. EPA: The Intersection of Constitutional and Environmental Law
SCOTUS Clean Air Act Cases: What’s New?
Unpacking California's 2024 Zero Emission Fleet Mandate
West Virginia vs. EPA Part II: U.S. Supreme Court Applies the Major Questions Doctrine to limit EPA Regulatory Authority
[Webinar] Growing Greener: Navigating Environmental Laws in the Cannabis Industry
Nota Bene Episode 101: Catching up with Global Climate Regulation with Nico van Aelstyn
Schoenbrod: SCOTUS Ruling Helps EPA Deal With a "Stupid Statute"
Law Prof: The Clean Air Act Needs a Reboot
On July 29, the Environmental Protection Agency (EPA) formally proposed to revoke its 2009 “Endangerment Finding,” in which the EPA declared that greenhouse gases contribute to air pollution and endanger public health. This...more
On Tuesday July 29, the U.S. Environmental Protection Agency (“EPA”) announced a proposed rule to repeal its 2009 finding that greenhouse gas (“GHG”) emissions from new motor vehicles contribute to pollution and endanger...more
The US Supreme Court in EPA v. Calumet Shreveport clarified where challenges to certain US Environmental Protection Agency actions under the Clean Air Act must be filed. The Court split the difference between competing...more
In this episode of our "An Energized Exchange" podcast series, presented by the Energy & Natural Resources Industry Sector Group, attorneys Zach Pilchen, Brian Bunger and Rafe Petersen discuss the U.S. Supreme Court's...more
In this episode of our "An Energized Exchange" podcast series, presented by the Energy & Natural Resources Industry Sector Group, attorneys Andy Kriha, Susan Lafferty and Zach Pilchen break down recent U.S. Supreme Court...more
In Environmental Protection Agency v. Calumet Shreveport Refining, L.L.C., the Supreme Court set out the test for determining the proper venue for judicial review of EPA actions under the Clean Air Act (CAA). Challenges to...more
The U.S. Supreme Court on June 20, 2025, issued a 7-2 decision in Diamond Alternative Energy, LLC v. EPA, clarifying when stakeholders have standing to challenge an agency action based on market effects rather than direct...more
On June 18, the U.S. Supreme Court issued two decisions that clarify a deceptively simple question under the Clean Air Act: Where should lawsuits challenging EPA actions be filed? The rulings – EPA v. Calumet Shreveport...more
On June 18th, the U.S. Supreme Court issued two rulings determining where challenges to Environmental Protection Agency (EPA) actions under the Clean Air Act must be filed. The Court held challenges to EPA actions that are...more
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
US Supreme Court Clean Air Act (CAA) decisions often result in big-picture changes to administrative law. Two CAA decisions this term deal with CAA’s venue-related provisions which specify where cases challenging US...more
With six more decisions, the U.S. Supreme Court decided no fewer than 11 cases in two business days last week, following 12 others over the previous two weeks. In other words, summer vacation is upon us, as the Court’s...more
Today, the Supreme Court interpreted the Clean Air Act’s venue framework for judicial review of EPA actions. Under 42 U. S. C. §7607(b)(1), “nationally applicable” EPA actions can be challenged only in the D. C. Circuit,...more
The White House Council on Environmental Quality (CEQ) circulated a draft template, dated April 8, 2025, to assist federal agencies in updating their procedures for implementing the National Environmental Policy Act (NEPA)....more
Over the course of the last 15 years, the U.S. Environmental Protection Agency (EPA) has developed a suite of regulations under the Clean Air Act (CAA) built upon EPA’s finding – originally made in 2009 – that greenhouse gas...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
Last week, the Supreme Court held oral argument in Federal Communications Commission v. Consumers’ Research. The case addresses the Federal Communications Commission’s Universal Service Fund programs aimed at providing...more
Welcome to Industrials Regulatory News and Trends. In this regular bulletin, DLA Piper lawyers provide concise updates on key developments in the industrials sector to help you navigate the ever-changing business, legal, and...more
On Monday morning, the Supreme Court denied certiorari in Juliana v. United States. The cert. denial leaves in place the 9th Circuit Court of Appeals decision that ordered the case dismissed for lack of standing. At least for...more
On March 12, 2025, U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin announced more than 30 actions to roll back regulations to advance President Trump’s Day One executive orders. These include actions...more
On his first day in office, President Trump signed Executive Order (EO) 14154, Unleashing American Energy. Halfway through the lengthy Order, one paragraph requires the Administrator of the Environmental Protection Agency...more
Newly-appointed U.S. Attorney General Pam Bondi wrote in a memo this Wednesday that the Justice Department will reverse a Biden-era directive to prioritize enforcement of environmental laws in disadvantaged and low-income...more
The Trump administration has asked the U.S. Supreme Court to pause its review of a case involving California’s stricter vehicle emissions and electric vehicle standards. Acting Solicitor General Sarah Harris filed the request...more
On January 24, 2025, the Trump Administration asked the U.S. Supreme Court to pause briefing in several cases on the current merits docket. In making the request, Acting Solicitor General Sarah Harris explained that the new...more
On Monday, January 13, 2025, California withdrew requests for Clean Air Act waivers from the U.S. Environmental Protection Agency (EPA) needed to support four recently adopted vehicle emissions regulations: 1) the Advanced...more