The D.C. Circuit vacated FERC's refusal to allow a natural gas pipeline company to impose incremental-plus rates to cover the costs of an expansion project.

A district court held that NMFS violated the ESA by approving a U.S. lobster fishery without adequately considering the fishery's impact on the endangered North Atlantic right whale.

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.

A district court upheld a CWA §404 permit the U.S.

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.

A district court vacated a nationwide permit reissued by the U.S. Army Corps of Engineers that allowed for construction of the Keystone XL Pipeline across waterways. Environmental groups argued the reissuance violated the ESA by failing to initiate programmatic consultation.

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.