The Ninth Circuit affirmed in part and reversed in part summary judgment for BLM in challenges to approval of an oil and gas project in the northern Arctic. Environmental groups argued BLM failed to consider a reasonable range of alternatives as required under NEPA, its mandate to protect surface re...

The Ninth Circuit granted in part environmental groups' petition to review EPA's decision refusing to revise technology-based effluent limits, guidelines, and standards (ELGs) for certain industries previously promulgated under the CWA. The groups challenged EPA's decision refusing to revise ELGs fo...

The Ninth Circuit affirmed in part and reversed in part summary judgment for BLM in challenges to approval of an oil and gas project in the northern Arctic. Environmental groups argued BLM failed to consider a reasonable range of alternatives as required under NEPA, its mandate to protect surface re...

The Fifth Circuit granted industry groups' challenge to EPA's 2024 rule that revised the equation for calculating vehicle fuel economy for purposes of the Corporate Average Fuel Economy (CAFE) standards and required manufacturers to certify fuel economy using E10 test fuel, containing 10% ethan...

The Third Circuit affirmed a district court order remanding to state court a lawsuit concerning a chemical company's design, manufacture, marketing, and sale of 1,4-dioxane. The state of New Jersey sued the company in state court, arguing its products substantially harmed the environment. The c...