A district court granted in part and denied in part summary judgment for a conservation group in a challenge to the National Park Service's (NPS') delayed implementation of a marine…

A district court denied summary judgment for conservation groups in a challenge to BLM's authorization of six lease sales for oil and gas development in the western United States. The groups…

A district court denied outdoor recreation groups' request to halt implementation of BLM's 2023 travel management plan (TMP) closing over 300 miles of routes previously available for off…

In an en banc decision, the Ninth Circuit, 6-5, affirmed a district court order denying a tribal group's motion for preliminary injunction against the U.S. government's transfer of…

A district court denied environmental groups' motion for summary judgment in a challenge to the Forest Service's approval of a grazing project in the Apache-Sitgreaves and Gila National…

A district court denied an environmental group's motion for summary judgment in a challenge to BLM's decision to amend the California Desert Conservation Area Plan and grant a right-of-…

A district court dismissed a challenge to President Biden's redesignation of the Bears Ears and Grand Staircase-Escalante National Monuments. The state of Utah and two counties argued the…

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…

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…

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…