United States: Clean Air / Pollution

On July 18, 2025, the U.S. Environmental Protection Agency (EPA) rolled out the "reorganization plan" for its Office of Research and Development (ORD).

Last month, the Minnesota Pollution Control Agency (MPCA) announced that it would delay the January 1, 2026, reporting deadline for manufacturers of intentionally added PFAS-containing products.

On July 23, 2025, the Minnesota Pollution Control Agency (MPCA) announced that it will allow manufacturers an additional six months to report required PFAS information, extending the original January 1, 2026...

In EPA v. Calumet Shreveport Refin., L.L.C., the Supreme Court ruled that all challenges to Environmental Protection Agency (EPA) denials of small refinery exemption (SRE) petitions under the Clean Air...

Continuing the regulatory whiplash over greenhouse gases (GHG) emissions from power plants, the United States Environmental Protection Agency (EPA) recently proposed repealing the Biden administration's GHG power plant...

This week the Minnesota Pollution Control Agency (MPCA) posted Parts One and Two of its response to pre-hearing and hearing comments.

The U.S. Environmental Protection Agency's (EPA) budget proposal for fiscal year (FY) 2026 fundamentally reimagines the federal government's role in environmental policy and regulation.

On March 4, 2025, the Supreme Court issued its opinion in City and County of San Francisco v. Environmental Protection Agency, holding that EPA does not have the authority to issue "end-result" requirements in National Pollutant Discharge Emissions System ("NPDES") permits under the Clean Water Act ("CWA").

In a decision aiming to reiterate and clarify the fundamental role of judicial review in National Environmental Policy Act (NEPA) cases, the U.S. Supreme Court emphasized that courts must afford agencies substantial deference to agency expertise in reviewing NEPA decisions.