Air

The D.C. Circuit denied petitions to review a 2024 EPA rule that revised the NAAQS for fine…
The First Circuit granted New Hampshire's motion to stay a preliminary injunction issued in a…

Climate Change

The Seventh Circuit affirmed remand to state court of a climate liability lawsuit against major…
In an unpublished opinion, the Ninth Circuit affirmed dismissal of a lawsuit brought by 22 youths…

Energy

The Second Circuit affirmed two district court rulings in challenges to laws enacted in New York…
The Ninth Circuit, 2-1, affirmed summary judgment for the South Coast Air Quality Management…

Governance

A district court granted trade groups' motion for preliminary injunction in a challenge to a…
On March 31, 2026, the federal government convened a high-level meeting of the Endangered Species…

Land Use

A district court denied environmental groups' motion to preliminarily enjoin and temporarily…
A district court granted environmental groups' motion for a preliminary injunction in a challenge…

Natural Resources

The Fifth Circuit denied environmental groups' petition to review the Maritime Administration's…
The Tenth Circuit affirmed dismissal of a NEPA challenge brought by Kansas landowners against the…

Toxic Substances

The U.S. Environmental Protection Agency’s (EPA’s) Lead and Copper Rule Improvements (LCRI)…
The current U.S chemical regulation framework was developed in an era when toxicology focused…

Waste

The Eleventh Circuit reversed a district court's dismissal of a RCRA citizen suit concerning toxic…
A district court granted in part a group of wholesale distributors' motion to preliminarily enjoin…

Water

The U.S. Environmental Protection Agency’s (EPA’s) Lead and Copper Rule Improvements (LCRI)…
The Fourth Circuit denied environmental groups' motion for a stay pending review of a water quality…

Wildlife

A district court granted a wild horses advocacy group's motion for preliminary injunction in a…
A district court granted nonprofit groups' and individuals' motion to preliminarily enjoin the…