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 ...