The Fifth Circuit dismissed Louisiana's challenge to the Biden Administration's interim estimates on the social cost of greenhouse gas emissions. Louisiana initially sought to preliminarily enjoin the interim estimates from being used, arguing they were procedurally invalid, arbitrary and capricious...

The U.S. Supreme Court held, 6-3, that Montana landowners' challenge to an easement allowing public access to a road running through their property was not time barred. The landowners sued over the scope of the easement under the Quiet Title Act (QTA), arguing the road's public use intruded on their...

A district court denied conservation groups' motion to intervene in a lawsuit concerning EPA's and the Army Corps of Engineers' rule defining the scope of the CWA. The groups sought intervention as of right, arguing they had "a significant, protectable interest" because they represent those who use ...

A district court denied a mining company's motion to dismiss an Indian tribe's challenge to a land exchange between the company and the Forest Service. The tribe argued that the land exchange implicated its sovereign interests, including a right under an 1854 treaty to use the land for hunting, fish...

A district court dismissed a challenge to the Michigan Public Service Commission's 2017 and 2018 orders requiring electricity suppliers to buy energy from local sources. Industry groups argued the local clearing requirement violated the dormant Commerce Clause. The court concluded the requirement di...

A district court denied an animal advocacy group's and individuals' motion for summary judgment in a challenge to the National Park Service's (NPS') management of the tule elk population in the Tomales Point area of Point Reyes National Seashore. The plaintiffs argued NPS' failure to timely revise i...

The Tenth Circuit dismissed a petition to review NRC's grant of a temporary license for spent nuclear fuel storage near the New Mexico border. New Mexico argued NRC violated NEPA and the Nuclear Waste Policy Act, and acted ultra vires in granting the license. NRC moved to dismiss for lack of jurisdi...

The Sixth Circuit reversed a district court's denial of a preliminary injunction in a lawsuit concerning a Kentucky law that offsets the state's severance tax on coal. A coal producer from Illinois, where there is no severance tax, argued the law discriminated against out-of-state coal in violation ...

The D.C. Circuit granted EPA's motion to dismiss an industry group's challenge to interim lifetime health advisories for two per- and polyfluoroalkyl substances in drinking water. The court found that the group identified alleged harm facing an indirect subsidiary of one of its members, but failed t...