A district court granted in part and denied in part NMFS' motion to dismiss a lawsuit seeking an expansion of the Service's 2008 Vessel Speed Rule to protect North Atlantic right whales. Conservation groups argued NMFS had unreasonably delayed its response to the groups' 2012 and 2020 petitions to e...

A district court granted in part and denied in part gasoline companies' motion for summary judgment in a lawsuit brought by the state of Maryland seeking to redress alleged contamination of its waters with methyl tertiary butyl ether. Maryland brought various common law claims and statutory claims u...

A district court vacated and remanded EPA's 2020 Clean Water Act Section 401 Certification Rule, which limited the ability of states and Native American tribes to regulate water pollution. States, tribes, and conservation groups sought to have the rule vacated, and EPA moved to remand without vacatu...

The Court of Federal Claims entered judgment for the U.S. government in a takings challenge against FWS for rerouting spring waters that had previously flowed through church property into a restoration channel in an effort to save a native fish species. The church argued the berm FWS installed upstr...

A district court granted researchers' and primate importers' motions to intervene in a lawsuit brought by a nonprofit group seeking FOIA disclosure of FWS records regarding the import and export of wildlife. The group challenged the Service's redaction of certain information pursuant to a FOIA exemp...

The Ninth Circuit remanded a summary judgment order in a challenge to EPA's approval of Montana's variance request from approved water quality standards adopted under the CWA. An environmental group argued the Agency's approval of the variance violated the APA. A district court granted partial vacat...

A district court granted EPA and the Army Corps of Engineers' motion to voluntarily remand the Navigable Waters Protection Rule, and granted the Navajo Nation's request that remand include vacatur. The court found the agencies' own findings demonstrated that "allowing the Rule to remain in place upo...

A district court dismissed a lawsuit brought by Catholic nuns seeking monetary damages for property taken by the Atlantic Sunrise natural gas pipeline. The nuns argued that construction and operation of the pipeline through land they owned would violate their free exercise of religion protected by t...

The Ninth Circuit vacated an NPDES permit issued by EPA for concentrated animal feeding operations in Idaho. Environmental groups argued the permit lacked sufficient monitoring provisions to ensure compliance with its "zero discharge" requirements for production and land-application areas. The court...

The Ninth Circuit, 2-1, vacated and remanded a district court ruling in a CWA citizen suit concerning a clay manufacturer's discharges. Environmental groups argued the manufacturer illegally discharged pollutants into navigable waters, failed to monitor the discharge as required by its NPDES permit,...