A district court granted an environmental group's motion to preliminarily enjoin the Forest Service and FWS from moving forward with a logging and road building project in the Kootenai National Forest. The group argued the agencies violated the ESA by failing to conduct a lawful cumulative effects a...

A district court granted FWS' motion for voluntary remand in a challenge to its 2020 decision to withdraw a 2013 proposed rule to list the wolverine as a threatened distinct population segment (DPS) in the contiguous United States under the ESA. Environmental groups argued the withdrawal was based o...

A district court granted summary judgment for environmental groups in a challenge to FWS' 2020 withdrawal of its 2013 proposal to list the bi-state sage-grouse as a threatened species under the ESA, and vacated the withdrawal. The groups argued the withdrawal violated the ESA because the Service's d...

The Ninth Circuit affirmed summary judgment for the National Park Service (NPS) in a challenge to the Service's authority to prohibit commercial herring fishing in the Golden Gate National Recreation Area (GGNRA). A fishing group argued that NPS lacked authority under the GGNRA Act to enforce the co...

The Tenth Circuit reversed a district court's denial of a motion to dismiss a CWA citizen suit concerning the release of contaminated water from an inactive gold mine in Colorado. Nearby farmers filed suit in a New Mexico district court, alleging several state-law claims. A hazardous waste managemen...

In an en banc decision, the First Circuit affirmed in part and reversed in part summary judgment for an environmental group in a CWA citizen suit against developers of a construction site in Massachusetts. The group argued the developers violated the CWA by failing to comply with the construction ge...

The Tenth Circuit affirmed dismissal of ranching groups' challenge to FWS' designation of critical habitat for the endangered New Mexico meadow jumping mouse. The groups argued FWS' methodology for analyzing economic impacts of the designation violated the ESA and court precedent, that the Service f...

The Ninth Circuit affirmed a district court's denial of summary judgment for environmental groups in a challenge to the Forest Service's allowance of livestock grazing in the Stanislaus National Forest. The groups argued the grazing led to fecal matter runoff that polluted streams in the area, impai...

A district court granted in part and denied in part conservation groups' motion for summary judgment in a challenge to NMFS' 2019 decision not to list the alewife and blueback herring as threatened under the ESA. The groups argued that NMFS failed to adequately account for climate change-related har...

The U.S. Supreme Court, 5-4, granted states' and industry groups' application for an emergency stay of a district court ruling that had vacated the 2020 Clean Water Act 401 Certification Rule. In a dissenting opinion, Justice Kagan asserted the states and groups had failed to show they would suffer ...