A district court granted the U.S. Navy's motion to dismiss a lawsuit concerning the release of perfluorochemicals from naval facilities in eastern Pennsylvania. Families in neighborhoods near the facilities argued that the Navy improperly disposed of perfluorooctane sulfonate (PFOS) and perfluorooct...

The Fifth Circuit held that the U.S. Army Corps of Engineers had not waived its sovereign immunity from Louisiana's lawsuit alleging that the Corps failed to maintain the Gulf Intracoastal Waterway within authorized parameters under the River and Harbor Improvements Act (RHIA). Louisiana argued that...

A district court denied nonprofit groups' and EPA's cross-motions for summary judgment in a challenge to the Agency's denial of a petition to regulate the fluoridation of drinking water supplies under TSCA. The groups argued that the ingestion of fluoride posed an unreasonable risk of neurotoxic har...

A district court denied the U.S. Navy's motion to stay a lawsuit concerning the release of perfluorochemicals from naval facilities in eastern Pennsylvania. Families in neighborhoods near the facilities argued that the Navy improperly disposed of perfluorooctane sulfonate (PFOS) and perfluorooctanoi...

A district court denied public interest groups' motion for partial summary judgment in challenging an executive order that requires federal agencies to repeal two existing rules for each new rule promulgated. The groups argued they had associational standing based on injuries that two of their membe...

A district court denied a neighborhood group's request to temporarily block bison hunting near Yellowstone National Park. The group argued that NPS and USDA violated NEPA when they authorized an annual bison hunt at a location on the edge of the park called Beattie Gulch, and sought a temporary rest...

A district court denied EPA's motion to dismiss a challenge to its denial of a petition to revise reporting requirements for asbestos under the Chemical Data Reporting Rule. Health and environmental groups challenged EPA's denial of their petition under TSCA and the APA, arguing that the petition wa...

The Ninth Circuit dismissed in part, granted in part, and denied in part petitions to review EPA's 2017 Risk Evaluation Rule, which established a process for evaluating the risks of chemical substances. Environmental and health groups argued the rule violated TSCA's requirement that EPA evaluate ris...

A district court dismissed a lawsuit brought by a Hawaiian resident alleging that an early start to a county construction project harmed two endangered species—the Hawaiian hawk and Hawaiian hoary bat—in violation of the ESA. The resident argued that the county violated its EIS by allowing const...