The D.C. Circuit, 2-1, affirmed summary judgment for BLM in a challenge to the agency's 2003 final rule withdrawing a proposed rule that would have limited the maximum size of "mill sites" for mining claims on federal lands and instead codifying the agency's historical understanding that the governi...

The D.C. Circuit denied petitions to review FERC's approval of a project that would expand service on a natural gas pipeline running from western Pennsylvania to the New York metropolitan area. A nonprofit group argued FERC's EIS failed to quantify greenhouse gas (GHG) emissions from upstream drilli...

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 Fifth Circuit, 2-1, affirmed two district courts' orders remanding to state court lawsuits brought by Louisiana parishes against various oil and gas companies. The parishes initially sued in state court, arguing the companies violated Louisiana’s State and Local Coastal Resources Management Ac...

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...

The D.C. Circuit denied an environmental group's petitions to review FERC's decision to grant time extensions for two developers to complete natural gas pipeline projects. The group argued FERC was too permissive in finding "good cause" to grant the extensions. The court found FERC followed its reas...

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...