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Supreme Court of the United States › Clean Air Act › Compliance

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 -
McGlinchey Stafford

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

McGlinchey Stafford on

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

Goldberg Segalla

SCOTUS Declines to Review EPA’s Authority on California’s Vehicle Emission Standards

Goldberg Segalla on

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

Williams Mullen

Environmental Notes - October 2024

Williams Mullen on

EPA Proposes Removing Affirmative Defense Provisions from Eighteen Clean Air Act Emission Standards - In a proposed rule published on June 24, 2024, EPA has proposed to remove eighteen affirmative defense provisions for...more

ArentFox Schiff

EPA’s FY2024 Budget Request Emphasizes Continued Focus on Climate, Environmental Justice, and Infrastructure

ArentFox Schiff on

Executive branch priorities are clearly set out in agency budget requests. While the amount budgeted generally changes when Congress has its say, the original request provides unique insight into how agencies perceive what...more

K&L Gates LLP

EPA’s Clean Power Plan: Structure, Implications for the Grid, and Next Steps

K&L Gates LLP on

The United States Environmental Protection Agency (EPA) issued the Clean Power Plan (Plan) in its final form on August 3, 2015. The rule reshapes energy policy nationwide by setting state-by-state greenhouse gas emissions...more

Lewitt Hackman

Supreme Court Tells EPA Cost Does Matter

Lewitt Hackman on

The Environmental Protection Agency's Mercury and Air Toxics Standards (MATS) placed national limits on mercury and other toxic emissions from power plants. The agency projected MATS to prevent 11,000 premature deaths, 4,700...more

Cadwalader, Wickersham & Taft LLP

Supreme Court Rejects EPA Mercury Emissions Rule

Cadwalader, Wickersham & Taft LLP on

On June 29, 2015, the Supreme Court cast serious doubt upon the future of the Mercury and Air Toxics Standards (“MATS”) by finding that the Environmental Protection Agency (“EPA”) failed to adequately consider the costs of...more

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