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,...

The U.S. Supreme Court affirmed in part and vacated in part the Montana high court's ruling in a lawsuit concerning cleanup actions across a 300-square-mile Superfund site in Butte. Landowners whose properties are located within the site brought trespass, nuisance, and strict liability claims under ...

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 denied summary judgment to an environmental group in a lawsuit concerning the Pipeline and Hazardous Materials Safety Administration's (PHMSA's) obligations under the Mineral Leasing Act (MLA) to inspect all pipelines on federal lands annually. The group argued the agency failed to ...

A district court granted in part and denied in part environmental groups' motion for summary judgment in a challenge to EPA's approval of an Oklahoma program regulating the disposal of coal combustion residuals. The groups argued that EPA failed to perform its statutory duty under RCRA to develop an...

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 dismissed for lack of standing a lawsuit challenging the Executive Order that requires agencies to repeal two existing rules for each new rule promulgated. California, Minnesota, and Oregon argued that the order delayed or resulted in the undertaking of four rulemakings and that the...

The Court of Federal Claims granted in part and denied in part the Bureau of Reclamation's motion to dismiss a lawsuit concerning its curtailing of water deliveries during a drought in California. The city of Fresno and irrigation districts argued that the Bureau breached its water-supply contracts ...

The Second Circuit reversed a district court ruling that denied environmental groups' motion for summary judgment in a lawsuit seeking FOIA disclosure of an EPA computer model related to its rollback of greenhouse gas emission standards for vehicle manufacturers. The groups challenged EPA's withhold...

The First Circuit reversed the dismissal of a challenge to an EPA directive that prohibits scientists in receipt of certain EPA grants from serving on the Agency's federal advisory committees. A nonprofit group argued the directive violated the Federal Advisory Committee Act (FACA) by disproportiona...