A district court granted the state of Louisiana's motion to permanently enjoin EPA from (1) enforcing disparate impact requirements under Title VI of the Civil Rights Act against any entity of the state, or requiring compliance with those requirements as a condition of financial assistance; and (2) ...

The D.C. Circuit granted in part and denied in part a trade group's petition to review the Pipeline and Hazardous Materials Safety Administration's (PHMSA's) 2022 revised safety standards for natural gas transportation. The group challenged five of the standards, alleging flaws in the rulemaking pro...

The Third Circuit dismissed for lack of jurisdiction a chemical company's petition to review EPA's health advisory for HFPO-DA, a chemical found in drinking water. The company argued the advisory violated both the procedural and substantive requirements of the APA and the nondelegation doctrine. The...

The D.C. Circuit affirmed a Federal Communications Commission (FCC) order licensing a new satellite system. An environmental group argued the FCC's decision not to perform an environmental review of light pollution and atmospheric effects of the system violated NEPA. The court found the license fell...

A district court denied a commercial fisherman's motion to preliminarily enjoin the Army Corps of Engineers and EPA from enforcing a 2023 rule that revised the definition of "waters of the United States." The fisherman argued the agencies did not faithfully implement the Sackett v. Environmental Pro...

A district court granted in part and denied in part an outdoor recreation group's motion to preliminarily enjoin the National Park Service's (NPS') regulations governing commercial filming on public lands. The group argued the regulations' land use fee and permitting requirements violated the First ...

The U.S. Supreme Court, 5-4, denied two states' motion to enter into a consent decree in a lawsuit concerning a 1938 interstate agreement that apportions the waters of the Rio Grande River among Colorado, New Mexico, and Texas. Texas initially sued Colorado and New Mexico, arguing excessive groundwa...

The U.S. Supreme Court, 6-3, held the Seventh Amendment entitled an investment advisor to a jury trial in an enforcement action initiated by the Securities and Exchange Commission (SEC) seeking civil penalties for securities fraud. The SEC adjudicated the matter administratively, and determined the ...

The U.S. Supreme Court, 6-3, held the APA requires courts to exercise independent judgment in deciding whether an agency has acted within its statutory authority and that courts may not defer to an agency's interpretation of the law simply because a statute is ambiguous, overruling Chevron U.S.A. In...

The Ninth Circuit reversed in part summary judgment for the operators of a marine cargo terminal on Puget Sound in a CWA citizen suit concerning stormwater discharges. An environmental group argued the operators were liable for discharges from the facility's entire footprint, including an area known...