The Tenth Circuit upheld a lower court decision denying a citizen group's lawsuit to enjoin the U.S. Department of Energy's (DOE's) approved operation of the Waste Isolation Pilot Plant, a nuclear waste repository located in southeastern New Mexico. The group argued that DOE relied on faulty data re...

A district court held that National Oceanic and Atmospheric Administration-Fisheries (NOAA-Fisheries) did not violate the National Environmental Policy Act (NEPA) when it chose not to prepare an environmental impact statement (EIS) or environmental assessment for its Hatchery Listing Policy (HLP) fo...

The court held unripe a petition challenging the Nuclear Regulatory Commission's (NRC's) decision to grant a license permitting the construction and operation of a spent nuclear fuel storage facility on land belonging to the Skull Valley Band of Goshute Indians in Utah. After the NRC approved the li...

The court affirms a district court ruling that an oil company that operated a service station on leased property was liable to the lessor for all damages caused by a leaking underground storage tank, including the lessor's inability to sell or lease the property immediately surrounding the leased pr...

The court upheld in part and vacated in part U.S. Environmental Protection Agency (EPA) Resource Conservation and Recovery Act (RCRA) regulations, known collectively as the Land Disposal Restrictions (LDR) Phase IV rule, addressing residual or secondary materials generated in mining and mineral proc...

The court denies a petition for review of a final determination by the U.S. Environmental Protection Agency (EPA) not to add 14 solvent wastes to its list of hazardous wastes under Subtitle C of the Resource Conservation and Recovery Act. The court first holds that EPA did not clearly err in interpr...

The court grants summary judgment to the U.S. Department of the Interior in a citizen suit action brought against it under the Endangered Species Act (ESA) and the Administrative Procedure Act challenging the U.S. Fish and Wildlife Service's (FWS') approval of a habitat conservation plan (HCP) and a...

The court vacates a portion of a U.S. Environmental Protection Agency (EPA) regulation in which it determined that oil-bearing wastewaters generated by the petroleum refining industry are solid wastes under the Resource Conservation and Recovery Act (RCRA), but upheld EPA's determination that recove...

The court denies environmental groups' motion for a preliminary injunction to enjoin new U.S. Department of Energy (DOE) nuclear weapon Stockpile Stewardship and Management (SSM) facilities, as well as activities or major upgrades to mission capability based on alleged violations of the National Env...

The court holds that individuals' Resource Conservation and Recovery Act (RCRA) and state-law claims against a gasoline corporation that spilled 600,000 gallons of gasoline onto the individuals' property and a surrounding lake and creek are not barred because the state has not engaged in a Comprehen...