The Tenth Circuit affirmed dismissal of a challenge to FWS' 2018 decision to modify certain trails in the Rocky Flats National Wildlife Refuge. Community groups argued the modifications were significant and that FWS failed to prepare a supplemental EIS and relied on categorical exclusions based on a...

A district court granted summary judgment for conservation groups in a challenge to NMFS' 2021 issuance of a biological opinion (BiOp) and final rule concerning lobster fishing gear requirements and the endangered North Atlantic right whale. The groups argued the BiOp violated the ESA by allowing fo...

The First Circuit vacated a district court order preliminarily enjoining NOAA's partial seasonal closure of a Maine lobster fishery to protect endangered North Atlantic right whales. A fishing union argued the closure was an arbitrary and capricious application of the Marine Mammal Protection Act, a...