The D.C. Circuit granted oil and gas groups' petition to review a Pipeline and Hazardous Materials Safety Administration (PHMSA) safety standard that requires their members to install remote-controlled or automatic shut-off valves in some types of new or replaced gas and hazardous liquid pipelines. ...

A district court invalidated three resource management plans that were approved by BLM's acting director because he was not authorized to approve them. The governor of Montana and the state Department of Natural Resources and Conservation argued that the plans should be set aside because the court h...

The D.C. Circuit reversed a district court's dismissal of a challenge by scientific advocacy groups to EPA's directive barring recipients of EPA grants from serving on any of the Agency's advisory committees. The groups argued that the directive lacked a reasoned explanation for changing its policy,...

A district court vacated EPA's 2017 directive that prohibited scientists in receipt of certain EPA grants from serving on the Agency's federal advisory committees. An environmental group argued the directive should be vacated and remanded following the court's previous ruling that granted summary ju...

A district court granted in part and denied in part the Trump Administration's motion to dismiss a challenge to its plans to fund construction of a wall along the U.S.-Mexico border. An environmental group argued that the president exceeded his authority under the National Emergency Act (NEA) when h...

A district court granted a motion to preliminarily enjoin the Trump Administration from using military funds to build portions of a border wall along the U.S.-Mexico border. El Paso County and a nonprofit group argued that the president's proposed plan for funding border barrier construction—diver...

A district court dismissed for lack of standing an environmental group's challenge to an EPA directive that prohibited scientists in receipt of certain EPA grants from serving on the Agency's federal advisory committees. The group argued the directive was arbitrary and capricious because the Agency ...