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Supreme Court of the United States › Clean Air Act

The United States Supreme Court is the highest court of the United States and is charged with interpreting federal law, including the United States Constitution. The Court's docket is largely discretionary... more +
The United States Supreme Court is the highest court of the United States and is charged with interpreting federal law, including the United States Constitution. The Court's docket is largely discretionary with only a limited number of cases granted review each term.  The Court is comprised of one chief justice and eight associate justices, who are nominated by the President and confirmed by the Senate to hold lifetime positions. less -
ArentFox Schiff

Top 3 Supreme Court Environmental and Administrative Trends of 2025

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Within this term, the US Supreme Court’s major environmental and administrative focus was on statutory text in its environmental and administrative decisions....more

McGlinchey Stafford

Supreme Court’s Cert Denials Pave Way for Surge in Environmental Citizen Suits

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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

Holland & Knight LLP

Podcast - Diamond Alternative Energy, LLC v. EPA: The Intersection of Constitutional and Environmental Law

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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

Holland & Knight LLP

SCOTUS Clean Air Act Cases: What’s New?

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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

Hogan Lovells

Supreme Court sets new rules for Clean Air Act lawsuits

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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

Holland & Knight LLP

Supreme Court Clarifies Standing for Regulatory Challenges in Diamond Alternative Energy v. EPA

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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

Goldberg Segalla

Venue Matters: Supreme Court Clarifies Where Clean Air Act Cases Belong

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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

Foley & Lardner LLP

Foley Automotive Update - June 2025 - 2

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Foley & Lardner provided an update for multinational companies to mitigate risks posed by the Trump administration’s focus on drug cartels and transnational criminal organizations (TCOs). Visit Foley & Lardner’s Trump...more

ArentFox Schiff

Supreme Court Allows Fuel Producers to Contest California’s Emissions Rules

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For decades, California has been granted unique deference in setting Clean Air Act (CAA) emissions limitations for California-sold vehicles through use of a state-specific waiver....more

McGlinchey Stafford

SCOTUS: Choose the Right Venue in Clean Air Act Issues

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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

Holland & Knight LLP

Up in the Air: SCOTUS Creates New Venue Test for Clean Air Act Cases

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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

ArentFox Schiff

Supreme Court Clarifies Venue Rules for Clean Air Act Challenges

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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

Epstein Becker & Green

Federal Jurisdiction and Review Standards at Issue in Cases Ranging from Terrorism to Tobacco - SCOTUS Today

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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

Dorsey & Whitney LLP

The Supreme Court Update - June 18, 2025

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The Supreme Court of the United States issued six decisions today: United States v. Skrmetti, No. 23-477: This case addresses a constitutional challenge to Tennessee’s Prohibition on Medical Procedures Performed on Minors...more

Holtzman Vogel Baran Torchinsky & Josefiak

Supreme Court Interprets the Clean Air Act's Venue Provision in Companion Cases 

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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

K&L Gates LLP

Course Correction: Supreme Court Steers Toward Greater Predictability in NEPA Reviews

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On 29 May 2025, the Supreme Court unanimously declared that a “course correction” was needed for cases under the National Environmental Policy Act (NEPA), holding that a law originally meant to be a procedural check to inform...more

Allen Matkins

California Environmental Law & Policy Update 6.6.25

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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

Allen Matkins

California Environmental Law & Policy Update 5.2.25

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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

Baker Botts L.L.P.

9 Questions About the 2009 Endangerment Finding Reconsideration in 2025

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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

Troutman Pepper Locke

White House Issues Memorandum Directing Federal Agencies to Repeal Regulations Deemed to be Unlawful Pursuant to Recent U.S....

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On April 9, the White House issued a memorandum directing federal executive departments and agencies to repeal regulations deemed unlawful pursuant to certain U.S. Supreme Court decisions. This directive aims to address...more

Woods Rogers

Repeal, Not Replace: President Trump’s Directive To Deregulate

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On April 9, 2025, President Trump issued a Presidential Memorandum titled “Directing the Repeal of Unlawful Regulations,” marking a significant step in the Administration’s push to deregulate under the broader DOGE...more

Holland & Knight LLP

Clean Air Act Rulemakings Don't Follow the Normal Rules – Just Ask the Supreme Court

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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

Womble Bond Dickinson

Nondelegation and Environmental Law - March 2025

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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

DLA Piper

Industrials Regulatory News and Trends - March 2025

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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

Foley Hoag LLP - Energy & Climate Counsel

Climate Litigation Against the US Is Dead. How Long Will State Climate Damage Cases Survive?

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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

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