A district court granted environmental groups' motion for a preliminary injunction in a challenge to FWS' decision to install a permanent pipeline for Arctic grayling in Red Rock Lakes Wilderness in southwestern Montana. The groups argued the decision violated the Wilderness Act by ignoring the Act'...

A district court denied EPA's motion to dismiss a lawsuit challenging its failure to perform required ESA consultations with FWS and NMFS before approving the state of Washington's limits on aquatic cyanide in 1993, 1997, and 2007. An environmental group argued that EPA failed to complete ESA §7 co...

The Ninth Circuit, 2-1, denied the city of San Francisco's challenge to an EPA order denying review of the city's NPDES permit for a combined sewer system and wastewater treatment facility. The city argued EPA violated the CWA by including in the permit two general narrative prohibitions on discharg...

The D.C. Circuit reversed summary judgment for Oregon counties, trade groups, and timber companies in five lawsuits concerning President Obama's expansion of the Cascade-Siskiyou National Monument. Plaintiffs argued that by outlawing logging on land included in the monument through Proclamation 9564...

A district court granted EPA's and the Army Corps of Engineers' motion to stay Texas' and Idaho's challenge to the Biden Administration's 2023 rule revising the definition of "waters of the United States" under the CWA. The court stayed the suit until publication in the Federal Register of the agenc...

The Tenth Circuit affirmed denial of conservation groups' claims in a lawsuit concerning the Bureau of Reclamation's decision to sign a water contract allowing the state of Utah to draw from reservoir releases rather than the Green River and its tributaries. The groups argued the Bureau violated NEP...

A district court adopted a magistrate judge's findings and recommendations to grant in part and deny in part cross-motions for summary judgment in a lawsuit concerning the Forest Service's approval of a vegetation management project in the Kootenai National Forest. An environmental group had argued,...

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 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 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...