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
The Association of Air Pollution Control Agencies ("AAPCA") issued the 2025 edition of its annual report titled: State Air Trends & Successes ("Report")....more
A local state court in Pennsylvania recently dismissed an array of climate tort claims brought against major fossil fuel companies by a local government--in this case, Bucks County. Among the three dozen or so climate tort...more
The Missouri Department of Natural Resources (“MDNR”) and Huggins Metal Finishing, Inc. (“Huggins”) entered into an April 22nd Administrative Order on Consent (“AOC”) addressing an alleged violation of an Air Permit. See No....more
In recent years, states and municipalities have attempted to hold fossil fuel companies liable for their alleged impacts on climate change. Numerous states and municipalities have sued fossil fuel companies, alleging that...more
The Missouri Department of Natural Resources (“MDNR”) and The Washington University (“WU”) entered into a May 2nd Administrative Order on Consent (“AOC”) addressing an alleged violation of an Air Permit. See No....more
As we have noted previously, a number of states have enacted legislation and/or brought claims against fossil fuel producers seeking payment for damages resulting from climate change. Legislative efforts include New York...more
The House passed resolutions last week to rescind federal waivers that allow California to set stricter vehicle emissions standards than the rest of the country. California’s standards currently require the sale of most...more
The Louisiana Department of Environmental Quality (“LDEQ”) issued an April 28th news release announcing the release of the Final Report on the Community Air Monitoring and Notification System Task Force (“Task Force”)....more
The U.S. Department of Justice (DOJ) has filed a series of federal lawsuits against four states—New York, Vermont, Michigan and Hawaii—alleging that recent legislative and enforcement efforts to hold fossil fuel companies...more
A group of 24 Republican AGs, along with several trade associations, sued Vermont over the state’s Climate Superfund Act, which authorizes the state to levy billions of dollars in fines on fossil fuel companies for alleged...more
On May 1, 2025, the federal government brought separate suits against both New York and Vermont alleging that these state’s “climate Superfund” statutes are unconstitutional on multiple grounds. In two nearly identical...more
Why Ohio businesses should continue environmental compliance efforts amid federal shifts - During the first Trump administration, federal regulatory policies experienced significant changes under a policy of pro-industry...more
When evaluating legal risk relating to per- and polyfluoroalkyl substances (“PFAS”), most businesses typically consider wastewater, groundwater, or soil impacts, not air emissions. However, state and federal regulatory...more
The National Association of Clean Air Agencies (“NACAA”) issued a document titled: Recommendations for FY 2026 Federal Grant Funding for State and Local Clean Air Agencies (“Recommendations”)....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
The Center for Biological Diversity (“CBD”) filed an April 3rd Clean Air Act Title V Petition to Object (“Petition”) before the United States Environmental Protection Agency (“EPA”) related to DC Operating Company, LP for the...more
States are increasingly turning to “Climate Superfund” laws as a potential mechanism to offset the growing costs of climate-related disaster recovery and the construction of more climate change-resilient infrastructure. These...more
On the first day of his Presidency, among 26 other Executive Orders that day, Donald Trump issued his Unleashing American Energy Executive Order rescinding President Biden’s Executive Order 14096 of April 21, 2023...more
The Tennessee Air Pollution Control Board (“Board”) issued a February 28th Proposed Technical Secretary’s Order and Assessment of Civil Penalty (“Order”) to Clear Development, LLC (“CD”) alleging violations of an air permit....more
The Mississippi Commission on Environmental Quality (“MCEQ”) and CF Rail Services, LLC (“CF”) entered into a March 4th Agreed Order (“AO”) addressing an alleged violation of an Air Permit. See Order No. 7458 25. The AO...more
On March 13, the Environmental Protection Agency (EPA) announced it would move forward with reconsideration of the Greenhouse Gas Endangerment Finding (Endangerment Finding) as directed in President Trump’s Executive Order...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
While federal policymaking has already begun to shift away from the climate change programs of the Obama and Biden administrations, many states are expected to continue pursuing expansive climate policies and building upon...more
Harris County, Texas filed a March 10th Title V Petition to Object (“Petition”) before the United States Environmental Protection Agency (“EPA”) Administrator related to the Lubrizol Corporation’s Deer Park Plant (“Plant”)....more
Ask any New Yorker what their top five complaints are about the city and either “traffic” or “gridlock” (or both) are all but certain to be represented. Indeed, you don’t get to be called “the Business Capital of the World”...more