The Federal Circuit reversed and remanded a lower court decision dismissing an insurance company's reimbursement action under the National Defense Authorization Act for cleanup costs associated with the development of property formerly used as a military base. The lower court determined that the com...

The Fifth Circuit affirmed in part and reversed in part a lower court decision dismissing an environmental group's CWA, CERCLA, and EPCRA claims against BP and Transocean Ltd. following the Deepwater Horizon disaster. BP leased the mobile offshore drilling unit known as Deepwater Horizon from Transo...

A district court held that a mining company that operates a smelter in Canada is liable as an arranger under CERCLA for the release and threatened release of hazardous substances in the Upper Columbia River. The company stipulated that it discharged slag and effluent into the Columbia River from its...

The D.C. Circuit denied a petition for rehearing of an earlier decision in which it upheld four EPA rulemakings governing greenhouse gases. EPA issued the rules following the U.S. Supreme Court's decision in Massachusetts v. EPA, 549 U.S. 497, 37 ELR 20075 (2007), in which the Court clarified that g...

A district court held that a refinery that settled in bankruptcy court its liability for response costs incurred at a Superfund site may seek contribution from a mining company. The mining company argued that the settlement agreement for which the refinery seeks contribution only resolves the refine...