The D.C. Circuit vacated a district court ruling concerning DOI's cancellation of an oil and gas lease in Montana. The leaseholder challenged the Department's cancellation, and the district court ruled in its favor, holding that the amount of time that had elapsed between the issuance of the lease a...

The U.S. Supreme Court held, 7-2, that the Forest Service had authority under the Mineral Leasing Act (MLA) to issue a special use permit that granted a right-of-way for a segment of a natural gas pipeline to be constructed beneath the Appalachian Trail in George Washington National Forest. Environm...

A district court denied partial summary judgment in a challenge to a county board's decision not to renew two conditional use permits (CUPs) for continued operation of an oil extraction and production facility in Livermore, California. The facility operator argued it had a fundamental vested right i...

The Sixth Circuit reversed, 2-1, a district court ruling that required the Pipeline and Hazardous Materials Safety Administration (PHMSA) to comply with the ESA and NEPA before approving an oil pipeline operator's response plans for addressing the risk of a potential oil spill. A conservation group ...

The Second Circuit granted in part and denied in part a challenge to provisions of EPA's Mercury Reporting Rule that exempted certain manufacturers of mercury or mercury-added products from reporting requirements. An environmental group and the state of Vermont argued that three provisions of the ru...

A district court granted a university board of governors' motion to remand to state court a lawsuit concerning groundwater contamination beneath university land from a nearby facility. The board filed suit in state court, arguing that the facility released volatile and semivolatile organic compounds...

A district court remanded back to state court Massachusetts' consumer protection lawsuit concerning an oil company's accounting of climate change risks. The state argued that the company misled and deceived its investors and consumers about the climate risks of fossil fuel products, and moved to rem...

A district court denied a Native American tribe's request to lift a stay in a lawsuit against the Bureau of Reclamation seeking to protect endangered coho salmon from the impacts of an irrigation project in the Klamath River Basin. The tribe asserted that the Bureau failed to comply with the terms o...

A district court denied EPA's motion to dismiss a lawsuit concerning its duty to update its National Contingency Plan (NCP) for addressing oil and hazardous substance contamination. Environmental groups argued that the current NCP is dangerous because it continues to permit the use of chemical dispe...

A district court vacated DOI's decision to enter into a land exchange agreement to facilitate construction of a road through Izembek National Wildlife Refuge in Alaska. Environmental groups argued that the agreement, which DOI acknowledged represented a change in the agency's policy, failed to provi...