An Indiana appellate court reversed and remanded a lower court decision that an insurer need not defend and indemnify a service station owner in underlying state administrative proceedings concerning the environmental remediation of the site.

The U.S. Supreme Court held that property owners may bring a civil action under the APA to challenge EPA's issuance of a CWA §309 compliance order that directs them to restore their property immediately pursuant to an EPA work plan.

A district court held that EPA exceeded its authority under CWA §404(c) when it invalidated an existing U.S. Army Corps of Engineer permit authorizing a mining company to discharge fill material from its mountaintop coal mine into two nearby streams.

A district court dismissed an insurance company's CERCLA claim against a tree nursery to recover response costs incurred by firefighters responding to a fire.

A district court held that the doctrines of res judicata and collateral estoppel bar individuals' trespass, nuisance, and negligence claims against numerous oil, coal, electric, and chemical companies for damages stemming from Hurricane Katrina.

A North Carolina appellate court held that the state's Sedimentation Pollution Control Act (SPCA) does not apply if there was no deposition of sediment to water.

A California appellate court reversed a lower court decision directing a county board to hear an administrative appeal of an environmental impact report (EIR) and permit for a landfill expansion project.