A district court, on motions for summary judgment, held that the California Department of Transportation is liable to the United States for damages caused to a lake and creek due to runoff from a state-run highway that cuts across federal property—the Presidio in San Francisco. A 1938 permit autho...

A district court held that the CAA preempts a city transit employee's negligence and strict liability claims against a company for injuries stemming from diesel exhaust fumes. The employees alleged that the design of the company's buses violated the emissions standards set out in the CAA and...

A district court held that the U.S. Forest Service's travel management plan for the Salmon-Challis National Forest violates NEPA. Environmental groups argued that the travel plan fails to ensure that motor vehicle use is properly sited and managed on the Forest in order to minimize adverse environme...

The Ninth Circuit granted citizen groups' petition for review of a final action by EPA approving in part and disapproving in part revisions to California's SIP for meeting CAA air quality standards for ozone. EPA's failure to order California to submit a revised attainment plan for the South...

The Third Circuit dismissed a petition for review of an EPA letter opining that facilities operated by a landfill and a neighboring energy company were under common control for purposes of air emissions permitting. The landfill owner challenged EPA's determination under CAA §307(b)(1), whic...

The Ninth Circuit held that the CAA does not preempt a California air pollution district rule requiring development sites to reduce the amount of pollutants they emit. CAA §209(e)(1) only preempts those standards or requirements relating to the control of emissions from "new" construction e...