The Fourth Circuit reversed a district court order abstaining from ruling on constitutional claims brought by mineral interest owners challenging amendments to West Virginia's oil and gas conservation law. Plaintiffs argued the amendments, which for the first time authorized "unitization of interest...

A district court denied an environmental group's motion for summary judgment in a challenge to the Forest Service's approval of a restoration project in Okanogan-Wenatchee National Forest. The group argued the Service violated NEPA and its implementing regulations in designing, analyzing, and implem...

The Fifth Circuit granted several states' petition to review DOE's 2022 rule repealing two 2020 rules concerning efficiency standards for dishwashers and washing machines. The states argued the repeal rule, which deleted the appliance categories for shorter-duration dishwashers and washing machines ...

The Third Circuit denied petitions to review FAA's FONSI decision approving construction of a new terminal at an airport in New Jersey. Petitioners argued FAA erroneously determined that the project did not expand the terminal and would not induce air traffic growth, failed to consider the cumulativ...

A district court on remand ordered that a commercial wind farm constructed on Osage Nation land be removed in a challenge brought against the farm's developers. The federal government argued the developers engaged in unauthorized mining and excavation in the Osage mineral estate without first obtain...

The Tenth Circuit reversed a district court finding of a CWA violation in a citizen suit brought against the operator of a gold mine in Colorado. Plaintiffs argued the operator violated the CWA because seepage from the mine's settling ponds flowed into the groundwater and then migrated to the Middle...

The Fifth Circuit vacated a district court ruling in a decades-long dispute over whether a property in Louisiana contains federally regulated wetlands. The property owner sued the Army Corps of Engineers, arguing its determination that the property contained federal regulated wetlands was arbitrary ...

A district court denied Indigenous and environmental groups' motion for injunction pending appeal of their challenge to BLM's approval of an oil and gas development project in the National Petroleum Reserve-Alaska. The groups initially sought to preliminarily enjoin construction through the remainde...

The Ninth Circuit affirmed summary judgment for the Forest Service in a challenge to its approval of a logging project in Inyo National Forest. Environmental groups argued the Service failed to adequately consider alternatives, failed to solicit public comments following its 2018 EA, and failed to s...

The Third Circuit denied three petitions for review in a long-running dispute over whether and to what extent state-subsidized energy resources should be subject to price mitigation in interstate capacity auctions. Energy generators and state public utilities commissions challenged FERC's acceptance...