The Sixth Circuit reversed a district court ruling in a lawsuit concerning 12 oil refinery sites that operated during World War II. The current owner of the refineries sought contribution from the U.S. government for environmental contamination discovered at the sites, arguing the government's produ...
The D.C. Circuit denied petitions to review EPA's promulgation of a rule that regulates the emission of greenhouse gases from aircraft engines under CAA §231 by aligning domestic standards with those recently promulgated by the International Civil Aviation Organization (ICAO). Twelve states, the Di...
The D.C. Circuit granted in part and denied in part petitions to review EPA's revisions to designations promulgated in 2018 for northern Weld County, Colorado, and El Paso, Texas, as areas that had attained 2015 ozone pollution standards. The revised designations folded Weld County into the greater ...
A district court ordered the Line 5 oil and gas pipeline to be removed within three years from tribal land in northern Wisconsin. The Bad River Band of Lake Superior Chippewa Indians sought to enjoin the owner from operating the pipeline through reservation land based on the risk of its failure cons...
The Ninth Circuit granted DOI's motion to dismiss a long-running land exchange dispute over construction of a road through the Izembek National Wildlife Refuge. The court found the Secretary of the Interior's recent withdrawal of the exchange, which was approved by a previous Secretary, mooted the c...
The Ninth Circuit dismissed for lack of standing a challenge to the Forest Service's livestock grazing decisions in Colville National Forest. Environmental groups argued the decisions would lead to an increase in wolf attacks on livestock, which in turn would cause the Washington Department of Fish ...
The D.C. Circuit reversed summary judgment for NMFS in a Maine lobstermen group's challenge to the Service's 2021 biological opinion (BiOp) that authorized a series of federal fisheries, including the lobster fishery, and implemented a conservation framework designed to reduce the fisheries' impact ...
The D.C. Circuit, in a split ruling, vacated certain provisions of EPA's rule phasing out the use of hydrofluorocarbons (HFCs). Two companies and three trade groups argued EPA exceeded its authority in issuing the rule and that the American Innovation and Manufacturing (AIM) Act, which directed the ...
The U.S. Supreme Court held, 5-4, that an 1868 peace treaty between the Navajo Nation and the United States establishing the Navajo Reservation reserved necessary water to accomplish the purpose of the reservation, but did not require the U.S. government to take affirmative steps to secure water for...
A district court vacated BLM's final EIS and 2019 record of decision (ROD) that approved an open-pit phosphate mine in southeast Idaho. Environmental groups had argued the ROD and final EIS upon which it was based violated NEPA, FLPMA, and the CWA. The court granted summary judgment in part for the ...