A district court denied a pipeline company's motion to dismiss a challenge to President Trump's issuance of a permit for construction of a cross-border segment of the Keystone XL oil pipeline. Environmental groups had argued the president's issuance of the permit violated the Property Clause, the Co...

A district court dismissed a lawsuit concerning the city of Chicago’s delay in issuing an operating permit for a recycling facility in the city’s Southeast Side neighborhood. The company argued its constitutional rights were being violated as a result of the city’s delay of the permit review p...

A district court dismissed two Pennsylvania state senators' challenge to the Delaware River Basin Commission's imposition of a moratorium on gas drilling and hydraulic fracturing in the Delaware Basin. The senators argued, among other things, that the moratorium exceeded the Commission's authority. ...

The Fourth Circuit affirmed summary judgment for a county in South Carolina in a lawsuit concerning the county's alleged taking of honey sellers' bees. The sellers argued their bees died after the county sprayed pesticide in an effort to kill mosquitoes, and thus constituted a Fifth Amendment taking...

A district court overrode the Biden Administration's objections to a lawsuit challenging President Trump's issuance of a presidential permit in 2019 for construction of a cross-border segment of the Keystone XL pipeline. Environmental groups argued the former president violated the Property Clause, ...

A district court denied the National Park Service's (NPS') motion to dismiss a challenge to its issuance of a policy memorandum concerning the use of electric-assisted bicycles (e-bikes) in national parks. Environmental groups argued the memorandum amended existing NPS regulations on bicycle use by ...

The D.C. Circuit affirmed in part and reversed in part a lower court's dismissal of a conservation group's suit to block the Department of Homeland Security (DHS) from constructing a border wall near the National Butterfly Center in southern Texas. The group argued that the Department's presence on ...

A district court held that William Perry Pendley was unlawfully serving as the acting director of BLM. The governor of Montana and the Montana Department of Natural Resources and Conservation argued that Pendley was unlawfully serving as the acting director in violation of the Appointments Clause, t...

The Seventh Circuit reversed the denial of transmission companies' motion to intervene in a lawsuit challenging the Wisconsin Public Service Commission's approval of a $500 million electricity transmission line in southwestern Wisconsin. Environmental groups challenged the approval on constitutional...

The Fourth Circuit dismissed a petition to vacate or set aside the FAA's modification to a series of flight routes that caused residents of historic areas of a county in Maryland to endure "insufferable levels of noise." The county argued that the FAA failed to comply with environmental statutes and...