Podcast - Diamond Alternative Energy, LLC v. EPA: The Intersection of Constitutional and Environmental Law
SCOTUS Clean Air Act Cases: What’s New?
Rewriting the Rules: The Supreme Court's Landmark Decision on Clean Water Act Permits
On-Demand Webinar | Regulatory Uncertainty and Linear Infrastructure Projects: Where Are We and What’s Ahead?
PFAS: Increasing Regulations and Managing Legal Liability
On-Demand Webinar | Linear Infrastructure Redux: Adapting Your Projects to Meet the New Regulatory Climate
The Current and Future Landscapes of EPA Criminal and Civil Enforcement
On-Demand Webinar | The New NEPA Regulations: A Practical Guide to What You Need to Know
One-on-One with David Fotouhi, Acting General Counsel at the EPA
Volatile Times in Vapor Intrusion Regulation: A Legal and Technical Update
[WEBINAR] Fairly (or Unfairly?) Traceable: Are Discharges Through Groundwater Subject to the Clean Water Act?
[WEBINAR] Update on the California Environmental Quality Act: What’s New for 2018
As reported in our May 14, 2025, blog item, on May 12, 2025, the U.S. Environmental Protection Agency (EPA) denied a petition filed under Section 21 of the Toxic Substances Control Act (TSCA) seeking to prohibit the use of...more
As reported in our June 28, 2025, blog item, on June 16, 2025, the U.S. Environmental Protection Agency (EPA) filed a motion with the U.S. Court of Appeals for the Fifth Circuit requesting that litigation over its 2024 final...more
In its recent decision in Waterkeeper Alliance v. U.S. Environmental Protection Agency, No. 23-636 (9th Cir. June 18, 2025), the Ninth Circuit Court of Appeals held that the Environmental Protection Agency (EPA) failed to...more
The U.S. Environmental Protection Agency’s (EPA) 2024 ban on chrysotile asbestos, a landmark regulatory action under the Toxic Substances Control Act (TSCA), is now subject to significant delay following legal challenges and...more
On June 16, 2025, the U.S. Environmental Protection Agency (EPA) filed a motion with the U.S. Court of Appeals for the Fifth Circuit requesting that litigation over its 2024 final rule regulating chrysotile asbestos under the...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
The United States Court of Appeals for the Ninth Circuit (“Ninth Circuit”) addressed in a June 18th Opinion an issue involving the Clean Water Act Effluent Limit Guidelines (“ELGs”). See Waterkeeper Alliance, et al., v....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
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
On June 5, 2025, the U.S. Court of Appeals for the D.C. Circuit granted the EPA’s third request to continue holding in abeyance consolidated litigation challenging the agency’s national drinking water regulation for six per-...more
EPA has again obtained extensions of the stays in the litigation challenging the MCLs for six PFAS and the litigation challenging the hazardous substance designation for PFOS and PFOA. EPA requested the U.S. Court of...more
On April 30, 2025, the U.S. Court of Appeals for the D.C. Circuit granted an additional 30-day abeyance in the challenge to EPA’s Final Rule designating Perfluorooctanoic Acid (PFOA) and Perfluorooctanesulfonic Acid (PFOS) as...more
One hundred environmental organizations transmitted an April 21st letter to the United States Environmental Protection Agency (“EPA”) Administrator asking that the federal agency: …maintain and promptly implement a vital,...more
After more than 50 years, EPA and the Army Corps of Engineers (“the Agencies”) continue to struggle to find a durable definition of “waters of the United States” (“WOTUS”) in the Clean Water Act, leaving the regulated...more
On December 20, 2024, the U.S. Court of Appeals for the District of Columbia Circuit denied the Environmental Defense Fund’s (EDF) petition and granted the American Chemistry Council (ACC) and American Fuel and Petrochemical...more
EPA continues its regulation of PFAS by shifting focus to the importation of certain PFAS-containing articles. - EPA goes for the low-hanging fruit by using TSCA to restrict the importation of long-chain PFAS that already...more
A recent decision by the U.S. Ninth Circuit Court of Appeals (Hawai'i Wildlife Fund v. County of Maui) created a new standard for permitting under the Clean Water Act — one that captures discharges from point sources through...more