The Tenth Circuit denied environmental groups' petition to review an EPA rule that partially approved Colorado's SIP to reduce ozone pollution. The groups sought vacatur of the approval, arguing the Agency violated the CAA by approving the reasonable further progress and motor vehicle emissions budg...
A district court granted the Army Corps of Engineers' motion to dismiss a developer's challenge to the Corps' 2012 jurisdictional determination over certain wetlands in Virginia. The developer challenged the Corps' significant nexus finding between the wetlands and the Northwest River, arguing the s...
A district court granted summary judgment for a number of states in a challenge to a 2024 CEQ rule that revised regulations for implementing the procedural provisions of NEPA, including amendments in the Fiscal Responsibility Act. The states argued the rule violated NEPA and the APA by exceeding CEQ...
The Eleventh Circuit affirmed summary judgment for Florida's Fish and Wildlife Conservation Commission (FWC) in a challenge to regulations promulgated by the Commission that restricted where and how Florida-registered fishing vessels could harvest Florida pompano in federal waters in the Gulf of Mex...
The Second Circuit affirmed summary judgment for the New York State Department of Environmental Conservation (DEC) in a challenge to enforcement of regulations prohibiting the harvesting of American glass eels. An Indian tribe sued DEC and its commissioner, arguing a 1676 agreement between the Royal...
A district court granted in part environmental groups' motion for summary judgment in a CAA citizen suit concerning EPA's duty to update emissions standards for hazardous waste combustors. The groups sought declaratory judgment stating that EPA failed to comply with its obligations and injunctive re...
The Fifth Circuit granted EPA's motion to vacate its disapprovals of portions of regional haze SIPs submitted by Texas and Oklahoma and the issuance of federal implementation plans (FIPs) establishing a long-term strategy and/or reasonable progress goals for the states. EPA argued that because key d...
A district court granted an electric transmission developer's motion for preliminary injunction against Indiana's 2023 law that granted incumbent transmission owners a right of first refusal to build transmission projects in their service areas. The developer argued the law blocked it from bidding o...
The Sixth Circuit vacated EPA's 2023 disapproval of a SIP proposed by Kentucky to comply with Agency changes to ozone NAAQS. Kentucky challenged the disapproval, which rested on different modeling that came out after the Agency's deadline for submitting the plan and on a lower threshold than the one...
In a per curiam opinion, a divided en banc Fifth Circuit affirmed a district court's civil penalty award of $14.25 million against an oil company in a long-running dispute concerning alleged CAA permit violations at an industrial complex in Baytown, Texas. Environmental groups had filed a CAA citize...