The Supreme Court of Wisconsin held that under state law, a town may not impose conditions on a livestock siting permit to protect surface and groundwater. The state legislature has strictly limited the ability of political subdivisions to regulate the livestock facility siting process.

A district court held that a paper company that sold "broke," a byproduct of its manufacturing process, to paper recyclers was not an arranger under CERCLA for PCB contamination in a river.

The Third Circuit denied petitions for review under NEPA challenging the FAA's approval of an expansion project at the Philadelphia International Airport.

The Federal Circuit affirmed in part and reversed in part a lower court's award of over $10.5 million in damages to Kansas electric companies stemming from the U.S. government's partial breach of its contract for the disposal of spent nuclear fuel.

A district court dismissed a landfill owner's RCRA action in which it sought an injunction requiring the former owner to perform certain remedial and investigative actions at the site. EPA issued the former owner a RCRA cleanup order and permit in 1998.

A district court held that the U.S. Forest Service violated NEPA, but not the NFMA, in approving the use of herbicides to control invasive plant species in the Wallowa-Whitman National Forest.

The Ninth Circuit upheld a jury's award of $28.8 million in intangible environmental damages for harm caused by a wildfire negligently caused by a construction company that burned roughly 18,000 acres of the Angeles National Forest in Southern California.