The Ninth Circuit held that a property owner who purchased the site at a tax sale is not entitled to CERCLA's third-party defense to liability for cleanup costs. The purchaser had a "contractual relationship" with the prior owner by virtue of the tax sale. Given the breadth of CERCLA's definition of...

A Texas court, ruling on a petition for pre-suit discovery, held that it would have jurisdiction over a major oil corporation's potential lawsuit against several California cities that have filed suit against it relating to climate change. The company's potential claims would allege, among other thi...

A district court held that a company is liable under RCRA for soil and water contamination at a former solid waste disposal area it used and operated in Armstrong County, Pennsylvania. Environmental groups filed motions for partial summary judgment against the company, claiming it was liable because...

A district court granted California cities' motions to remand their climate change tort actions against oil and gas companies back to state court. Although their state law claims raise national and perhaps global questions, they should not have been removed to federal court. Removal based on federal...

A Pennsylvania appellate court reversed and remanded a lower court's decision that the owner of an oil and gas company should be liable for failing to plug 47 abandoned oil and gas wells located in Erie and Crawford Counties. The state environmental agency issued an administrative order requiring th...

The D.C. Circuit clarified an earlier ruling vacating portions of a 2015 rule that defined when certain hazardous materials were deemed discarded—as opposed to legitimately recycled—and therefore subject to EPA's oversight under RCRA. In 2017, the court upheld some aspects of the rule and vacate...

The D.C. Circuit dismissed a mining company's lawsuit challenging EPA's decision to place the entire Bonita Peak Mining District, located in Colorado's Mineral Belt, on the NPL. The mining company owns a mine located in the district, but its mine was not one of the sites scored under the hazard rank...

A district court held that public interest and environmental groups lacked standing to challenge the "two-for-one" executive order issued by President Trump on January 30, 2017. The order requires executive branch agencies to identify two existing regulations to be repealed for every new regulation,...

A district court held that residents of the West Calumet Housing Complex in East Chicago cannot intervene in a CERCLA settlement agreement after the agreement was approved. In 2016, residents of the housing complex were told to evacuate the complex because of severe contamination from the USS Lead S...

A district court dismissed CERCLA claims against a construction company because there was no evidence that its actions contributed to soil contamination near the site. A contractor purchased topsoil from a company that is adjacent to a road where the construction company installed a water main three...