The Fourth Circuit affirmed dismissal of a TSCA citizen suit concerning EPA's decision on a petition to require testing for 54 per- and polyfluoroalkyl substances (PFAS). Four citizen groups argued that EPA's decision, which granted the petition and agreed to require testing on PFAS as a class throu...

The Ninth Circuit, 2-1, reversed summary judgment for the Forest Service in a challenge to its approval of a mineral exploration project on land in Inyo National Forest. Environmental groups argued the Service violated NEPA by combining two categorical exclusions (CEs) when neither alone could be in...

The D.C. Circuit affirmed summary judgment for the Army Corps of Engineers and NMFS in a challenge to approval of a dredging project in Puerto Rico's San Juan Bay. Environmental groups argued the agencies failed to take the necessary "hard look" at the project's environmental effect. The district co...

The D.C. Circuit denied environmental groups' petition to review FERC's certification of an interstate natural gas pipeline expansion project. The groups argued FERC violated NEPA by failing to consider the full scope of the project's environmental effects because the EIS did not include four other ...

The Fifth Circuit denied environmental groups' petition to review DOT's approval of a license to construct and operate a large deepwater oil facility off the Texas coast. The groups argued the final EIS applied a "flawed" alternatives analysis and "grossly underestimated" the facility's environmenta...

A district court granted in part and denied in part summary judgment for conservation groups in a challenge to BLM's authorization of a lease sale for oil and gas development in Wyoming. The groups argued BLM failed to take a "hard look" at the potential environmental impacts of the Wyoming sale, as...

A district court denied summary judgment for conservation groups in a challenge to BLM's authorization of six lease sales for oil and gas development in the western United States. The groups argued BLM failed to take the requisite "hard look" when analyzing the cumulative impact of greenhouse gas em...

The Fifth Circuit vacated two orders EPA issued under TSCA that prohibited a plastics company from manufacturing or processing long-chain perfluoroalkyls (PFAS) during its fluorination process. In March 2022, EPA charged that the company's fluorination process was subject to a recently promulgated s...