The Court holds that abuse of discretion is the proper standard by which to review a district court's decision to admit or exclude scientific evidence. The Court first holds that the court of appeals applied an overly stringent review of the exclusion of the plaintiff's experts' testimony, thereby f...

The court holds that the Federal Highway Administration and the West Virginia Department of Transportation's decision to support the building of a new, four-lane highway as part of the Appalachian Highway Development System complied with the National Environmental Policy Act and §4(f) of the Depart...

The court upholds the U.S. Forest Service's interpretation of the term "native" and its environmental assessment (EA) for an ecological project in Shawnee National Forest in Illinois. The appellants argued that the ecological project will have an adverse effect on shortleaf pines and pine warblers i...

The court holds that the U.S. Forest Service failed to comply with National Forest Management Act (NFMA) and National Environmental Policy Act (NEPA) requirements in determining whether to allow a timber sale in the Payette National Forest in Idaho. The court first holds that the Forest Service fail...

The Court holds that the Fifth Circuit lacked jurisdiction over a suit to set aside a 1982 settlement agreement that quieted title to lands on Horn Island, Mississippi, in U.S. favor. After concluding that the Quiet Title Act conferred jurisdiction, the Fifth Circuit, relying on a 1781 Spanish land ...

The court holds that the U.S. Forest Service's approval of a proposed timber sale in the Tongass National Forest in Alaska violated the National Forest Management Act (NFMA), but did not violate the National Environmental Policy Act (NEPA). The court first holds that the Forest Service's tentative o...

The court holds that an environmental group is not entitled to a preliminary injunction suspending a proposed retail development's construction permit and ordering the U.S. Army Corps of Engineers to prepare an environmental impact statement (EIS) addressing the development's impact on flooding. The...

The court holds that the Federal Highway Administration's (FHwA's) approval of a highway project in West Virginia violated the Department of Transportation Act §4(f) historic sites review requirement. The court first holds that the plain language of §4(f)'s regulations, 23 C.F.R. §771.135(b) and ...

The U.S. Supreme Court held that environmental groups lack standing to challenge U.S. Forest Service regulations exempting certain land management activities from the agency's review process absent a live dispute over the concrete application of those regulations. The regulations exempt small fire-r...

The Fourth Circuit held that an environmental group was entitled to attorney fees in their action challenging an OSM decision that resulted in a remand to the agency for additional investigation. The group filed a citizen complaint with the OSM alleging that a reclaimed surface mining site, which ha...