The Court holds that the tribal exhaustion doctrine does not require a district court to abstain from deciding whether Native Americans' tort claims arising from uranium mining on their…

The court affirms a district court's grant of summary judgment to the U.S. Environmental Protection Agency (EPA) on a toxicologist's claim that EPA violated the Federal Advisory…

The court vacates a district court's dismissal of a community association's National Environmental Policy Act (NEPA) and Intermodal Surface Transportation and Efficiency Act (ISTEA)…

The court reverses a district court's dismissal of a peat company's Federal Water Pollution Control Act (FWPCA) §404 and takings claims against the federal government concerning a…

The court holds that a group of rock climbers lack standing to challenge as a violation of the Establishment Clause the National Park Service's voluntary closure of Devils Tower National…

The court holds that a company's cleanup of a polychlorinated biphenyl- and lead-contaminated site in Colorado was not consistent with the national contingency plan (NCP). Thus, the company…

The court reverses a district court's acquittal of a tow boat company, a company officer, and the boat's captains for violating the Federal Water Pollution Control Act by dumping…

The court holds that a Maine town's solid waste flow-control ordinance, coupled with its grant of an exclusive hauling and disposal contract to a local contractor, does not violate the…

The court holds that a district court did not have jurisdiction to review a dispute about language in a U.S. Environmental Protection Agency (EPA) consent decree approving a proposed cleanup plan…

The court grants the Central Interstate Low-Level Radioactive Waste Commission's motion for a preliminary injunction against a state that allegedly violated an interstate compact. The…