The court denies an environmental group's motion to preliminarily enjoin construction of a development project in Louisiana until the U.S. Army Corps of Engineers prepares an environmental impact statement for the project. The court first holds that the Corps' finding of no significant impact for th...

The court holds that the U.S. Forest Service's environmental impact statement (EIS) for a post-fire logging project on the Six Rivers National Forest violated the National Environmental Policy Act and the National Forest Management Act (NFMA) and, therefore, enjoins the Forest Service from any furth...

The court holds that the Federal Aviation Administration (FAA) failed to adequately consider the cumulative impacts on the natural quiet of Zion National Park in its environmental assessment (EA) for a nearby airport expansion project. The court first holds that the FAA's EA failed to address the to...

The court affirms a district court decision requiring the U.S. Fish and Wildlife Service (FWS) to prepare an environmental impact statement (EIS) and to issue a critical habitat designation for the Rio Grande Silvery Minnow within 120 days. In 1994, the minnow was listed as an endangered species. FW...

The court holds that two U.S. Forest Service (Forest Service) timber sales in the Boise National Forest in Idaho violated the National Forest Management Act (NFMA) and the National Environmental Policy Act (NEPA). Environmental groups brought suit against the Forest Service seeking to enjoin the sal...

The court holds that the U.S. Department of the Interior (DOI) did not violate the National Environmental Policy Act (NEPA) or the Indian Gaming Regulatory Act (IGRA) when it authorized and issued a finding of no significant impact for the taking of land into trust for a California Native American t...

The court holds that the U.S. Fish and Wildlife Service's (FWS') final supplemental environmental impact statement (FSEIS) for its program to control the population of sea lampreys in Lake Champlain and its tributaries was adequate. In addition to employing physical barriers and trapping to reduce a...

The court reverses and remands a district court's approval of a final environmental impact statement (EIS) that failed to discuss and respond to seven scientific studies casting doubt on the U.S. Forest Service's conclusion that northern goshawks are habitat generalists. In response to the Forest Se...

The U.S. Supreme Court held that the Federal Motor Carrier Safety Administration (FMCSA) did not violate NEPA, relevant CEQ regulations, or the CAA when it failed to evaluate the environmental impact of increased cross-border operations of Mexican motor carriers in its EA because any environmental i...

The Sixth Circuit held that a district court improperly failed to vacate or modify an injunction that prevented the Federal Highway Administration (FHwA) from revisiting its decision regarding a highway extension. An environmental group sued to enjoin construction, stating that the project required ...