A district court granted in part summary judgment for nonprofit groups in a suit concerning a logging project in the Helena-Lewis and Clark National Forest. One group argued the project violated the Roadless Rule because the Forest Service was surreptitiously planning to construct new roads in an in...

A district court denied a motion to preliminarily enjoin the Forest Service from constructing a recreation trail across private property located in the Sawtooth National Recreation Area. The property owners argued that construction of the trail required activities directly adjacent to designated cri...

A district court vacated the Army Corps of Engineers' decision to grant an easement under the Mineral Leasing Act for the Dakota Access Pipeline, which runs from North Dakota to Illinois, after previously ruling that the Corps must prepare an EIS for the pipeline to comply with NEPA. The court found...

A district court dismissed for lack of subject matter jurisdiction a suit concerning EPA's CAA obligations to regulate pollution from coke ovens. Environmental groups argued the CAA required EPA to perform a risk assessment every time it revised its technology-based standards for a hazardous polluti...

The Tenth Circuit held that EPA erred in denying an environmental group's petition to review the renewal of a state-issued Title V operating permit for a coal-fired power plant in Utah. The group's petition argued that EPA should object to the renewal because it failed to "assure compliance" with al...

The Tenth Circuit affirmed a district court ruling that remanded to state court a climate change lawsuit against oil companies for contributing to global warming-related damage in Colorado. Three local government entities argued before state court that they faced substantial and rising costs to prot...

The Ninth Circuit affirmed summary judgment for BLM in a challenge to its 2017 offer and sale of oil and gas leases in the National Petroleum Reserve-Alaska. Environmental groups argued that BLM violated NEPA by failing to prepare an EA or EIS for the lease sale and failing to take a hard look at it...

The Ninth Circuit affirmed in part and remanded in part a district court order remanding to FWS several issues concerning its 2017 rule removing ESA protections for the Greater Yellowstone grizzly bear population. The district court held that FWS failed to adequately consider the impact of delisting...

The Ninth Circuit affirmed summary judgment for BLM in a challenge to the agency's "geld and release" plan for wild horses in northeastern Nevada. An animal rights group argued that BLM violated NEPA by failing to prepare an EIS for the plan because five of the Act's intensity factors demonstrated t...

The D.C. Circuit invalidated FERC's longstanding practice of issuing tolling orders to extend the statutory period for acting on requests for rehearing of its orders, in a lawsuit concerning the Commission's granting of a certificate of public convenience and necessity to a natural gas pipeline in P...