Status: Petition for review of agency action filed. [ 11/30/2022 ]
Description: Lawsuit challenging the 2016 biological opinion assessing the effects of the Bureau of Reclamation's water operations on the Middle Rio Grande.
Description: Challenge to the decision of the U.S. Fish and Wildlife Service to deny their 2010 petition to list the Kirtland’s snake under the Endangered Species Act.
Description: Lawsuit alleging that EPA and other federal agencies violated the Endangered Species Act by failing to ensure that EPA approval of Washington's limits on aquatic cyanide would not jeopardize survival and recovery of endangered species.
Status: Opening brief filed by plaintiffs. [ 06/09/2023 ]
Description: Challenge to the National Marine Fisheries Service's rejection of a petition to delist the Arctic ringed seal under the Endangered Species Act.
Description: Challenge to the U.S. Army Corps of Engineers’ issuance of Nationwide Permit 56 authorizing industrial finfish aquaculture structures in federal waters.
Status: Stipulated settlement agreement and proposed order filed. [ 11/03/2022 ]
Description: Lawsuit to compel the U.S. Fish and Wildlife Service to designate critical habitat for the endangered Florida bonneted bat, which faces threats from rising seas.
Description: Challenge to biological opinions assessing the likely effects of proposed Bureau of Land Management forest management projects on the Northern Spotted Owl and its critical habitat.
Description: Challenge to the U.S. Forest Service’s authorization of the Rio Grande National Forest Land Management Plan and associated actions, focused on impacts to Canada lynx habitat.
Status: Motion for voluntary dismissal of appeal granted. [ 01/23/2024 ]
Description: Lawsuit challenging the U.S. Fish and Wildlife Service's determination that designation of critical habitat for the rusty patch bumble bee would not be prudent and seeking to compel designation of critical habitat for the species.
Description: Lawsuit challenging the U.S. Forest Service’s authorization of the Rio Grande National Forest Land Management Plan and associated actions.
Description: Lawsuit alleging that the U.S. Fish and Wildlife Service failed to make timely determinations on whether two small fish with habitat in California warranted protection under the Endangered Species Act.
Description: Lawsuit seeking to compel the U.S. Fish and Wildlife Service to publish proposed rules regarding the listing of 10 species as endangered or threatened.
Description: Lawsuit challenging the U.S. Forest Service’s approval of the Sage Hen Integrated Restoration Project in the Boise National Forest, including for failure to consider climate change impacts on bull trout.
Status: Proceedings stayed to allow rules rescinding the challenged rules to become effective. [ 08/01/2022 ]
Description: Challenge to final rules under the Endangered Species Act defining "habitat" and revising the regulations for designating critical habitat.