The court holds that the Federal Aviation Administration's (FAA's) and Air National Guard's (ANG's) orders approving the Colorado Airspace Initiative (Initiative) and its…

The court reverses a district court decision and holds that the U.S. National Park Service (NPS) violated the National Environmental Policy Act when it implemented a vessel management plan (VMP)…

The court holds that various federal agencies violated the Endangered Species Act (ESA) and the National Environmental Policy Act (NEPA) in their preparations of biological assessments (BAs),…

The court holds that the U.S. Forest Service's (the Service's) environmental impact statement (EIS) and record of decision (ROD) for a mining operation on and around Buckhorn Mountain in…

The court affirms a district court holding that the U.S. Army Corps of Engineers' supplemental environmental impact statement (SEIS) for a flood control project on the Mississippi River…

The court affirms a district court decision that the U.S. Forest Service did not need to prepare an environmental assessment (EA) or an environmental impact statement (EIS) before adopting the…

The court holds that the U.S. Army Corps of Engineers did not violate the National Environmental Policy Act (NEPA) when it issued a permit to a developer that planned to fill wetlands for a mixed…

The court holds that a district court erroneously denied an environmental group's motion for a preliminary injunction to prevent the U.S. Forest Service from proceeding with certain timber…

The court holds that although the U.S. Forest Service violated the National Environmental Policy Act (NEPA) when it failed to prepare a supplemental environmental impact statement (SEIS) necessary…

The court holds that the U.S. Army Corps of Engineers violated the National Environmental Policy Act when it failed to prepare an environmental impact statement (EIS) prior to the permitting of…