The court upholds the U.S. Environmental Protection Agency's (EPA's) decision not to list used oil from gasoline-powered engines that is destined for disposal as hazardous waste under…

The court declines to exercise supplemental jurisdiction over state-law claims in an action brought by a municipal owner of a contaminated landfill asserting two Comprehensive Environmental…

The court affirms a district court decision that an insurance policy's pollution exclusion and owner exclusion clauses do not bar the policy's coverage of the insureds' costs of…

The court holds that a consent decree between the U.S. Environmental Protection Agency (EPA) and an oil company relating to contamination at the company's petroleum refinery does not bar an…

The court holds that the insurers of a local sewage authority are not required to defend the authority against claims brought by the U.S. Environmental Protection Agency (EPA) under §122 of the…

The court holds that the U.S. Environmental Protection Agency (EPA or the Agency) failed to justify application of its toxicity characteristic rule to mineral processing and electric utility…

Applying Michigan law to an insurance dispute, the court adopts the doctrines of known-risk and loss-in-progress, and denies coverage because the insured's environmental director knew or…

The court affirms a district court decision that Montana's two-year statute of limitations for property damage claims bars claims by a Superfund site owner against manufacturers of chemicals…

The court holds that a tank truck company is not entitled to summary judgment on claims against its insurers for indemnification of costs resulting from a government action against it under the…

The court holds that a letter from the U.S. Environmental Protection Agency notifying a potentially responsible party (PRP) that it may be liable for cleanup costs under the Comprehensive…