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"
The Mississippi Commission on Environmental Quality (“MCEQ”) and Oxbow Greenwood, LLC (“OG”) entered into a July 3rd Agreed Order 9 (“AO”) addressing alleged violations of an Air Permit. See Order No. 7520 25....more
This proclamation addresses the EPA’s April 5, 2024 final rule, National Emission Standards for Hazardous Air Pollutants: Ethylene Oxide Emissions Standards for Sterilization Facilities Residual Risk and Technology Review, 89...more
The Center for Biological Diversity (“CBD”) filed a June 6th Petition to Object addressing the Bonanza Explorations’, Inc. Clean Air Act Title V Permit renewal.’ The Petition objects to the renewal of a Title V Operating...more
The U.S. Environmental Protection Agency (EPA) has officially extended key compliance deadlines for air toxics standards affecting steel-sector coke oven operations, reflecting industry concerns about the feasibility of...more
The Arkansas Department of Energy and Environment - Division of Environmental Quality (“DEQ”) and Merit Energy Company, LLC (“Merit”) entered into a May 15th Consent Administrative Order (“CAO”) addressing an alleged...more
On June 10, 2025, Nevada Governor Joe Lombardo signed into law Senate Bill 260, which seeks to keep employees who are working outdoors safe from the hazards associated with exposure to wildfire smoke. The law directs the...more
On June 17, 2025, the U.S. Environmental Protection Agency (“EPA”) published a proposed rule to repeal the amendments to the Mercury and Air Toxics Standards (“MATS”) adopted by the Biden administration in 2024. These...more
The Environmental Integrity Project and Kentucky Resources Council (collectively, “EIP”) filed a June 9th Title V Petition to Object (“Petition”) before the United States Environmental Protection Agency (“EPA”) related to...more
The Center for Biological Diversity (“CBD”) filed a May 8th Clean Air Act Title V Petition to Object (“Petition”) before the United States Environmental Protection Agency (“EPA”) relating to Bargath, LLC for the Hyrup...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
In a significant development for Arizona’s business community and environmental policymakers, the U.S. Environmental Protection Agency (EPA) has paused its planned reclassification of Maricopa County from “Moderate” to...more
Effective May 2024, EPA tightened the annual health-based National Ambient Air Quality Standard (NAAQS) for fine particulate matter (PM2.5) from 12.0 µg/m3 to 9.0 µg/m3. This change was made after a review of the available...more
Under the Clean Air Act, sources frequently must undergo “New Source Review” (NSR) permitting, which is a pre-construction permitting program. NSR establishes requirements for new or modified sources prior to initiating...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
The Clean Air Council and two other environmental organizations filed a February 11th submission with the United States Environmental Protection Agency (“EPA”) styled: PETITION TO PROHIBIT...more
New U.S. Environmental Protection Agency (EPA) air quality standards and pollution migrating from upwind states will impact growth and development in southeastern Wisconsin, beginning on January 16, 2025....more
On Tuesday, in Ohio v. EPA, the D.C. Circuit Court of Appeals denied several challenges to EPA’s decision to restore California’s authority under § 209(b) of the Clean Air Act to regulate emissions from motor vehicles. It’s...more
On March 6, 2024, EPA published its final rule lowering the primary annual National Ambient Air Quality Standards (“NAAQS”) for fine particulate matter (“PM2.5”) to 9.0 micrograms per cubic meter (“µg/m3”). The new, more...more
On Feb. 7, several environmental groups formally notified EPA that they intend to file suit to force EPA to act on 39 overdue state Regional Haze plans and to trigger a countdown to issuance of Federal Implementation Plans...more
Typically when considering the regulatory risk presented by per- and polyfluoroalkyl (“PFAS”) compounds, businesses think of the regulation of drinking water, groundwater, and consumer products. However, there is an increased...more
On his first day in office on January 20, 2021, President Biden signed an Executive Order titled, “Protecting Public Health and the Environment and Restoring Science to Tackle the Climate Crisis” (the Order). The Order...more
Ethylene oxide (“EtO”), one of the most widely used and effective substances for sterilizing medical products and devices, has come under intense scrutiny by the Environmental Protection Agency (“EPA”), the Food and Drug...more
The United States Environmental Protection Agency (“EPA”) announced in the January 22, 2020 Federal Register that it was proposing to approve revisions to the State of Utah’s plan for addressing regional haze. The proposed...more
United States Environmental Protection Agency (“EPA”) issued a January 29th news release announcing approval of the State of Arkansas’s Clean Air Act Regional Haze State Implementation Plan (“SIP”). The approval was...more