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...

A district court issued a preliminary injunction enjoining California from enforcing Proposition 65’s carcinogenicity warning requirement for glyphosate. On the evidence before the court, the required warning for glyphosate does not appear to be factually accurate and uncontroversial because it co...

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 The order requires executive branch agencies to identify two existing regulations to be repealed for every new regulation,...

The U.S. Supreme Court, in an unsigned judgment and decree, ordered Wyoming to pay Montana $20,340 in damages, plus $67,270.87 in costs, for reducing the amount of water available in the Tongue River in violation of the Yellowstone River Compact. The Compact protects pre-1950 appropriative rights to...

The New Jersey Superior Court upheld an oil company's $225 million Spill Act settlement in connection with contamination at two oil refineries in Bayonne and Linden, New Jersey. The natural resources damages were estimated at $8.9 billion. In a settlement agreement, the New Jersey Department of Envi...

A Pennsylvania court affirmed a lower court decision dismissing residents' and an environmental group's lawsuit challenging the construction of a natural gas pipeline through a suburban township. The plaintiffs argued that a local zoning ordinance prohibits the construction of hazardous gas and liqu...

The Ninth Circuit affirmed a lower court decision that the Hawaii Pesticides Law impliedly preempts a county ordinance that seeks to regulate pesticides and genetically engineered plants. The ordinance would have required commercial farmers to maintain “buffer zones” between crops to which pesti...

The Pennsylvania Supreme Court struck down as unconstitutional portions of a 2012 law governing oil and gas operations in the Marcellus Shale. This is the second time the law, known as Act 13, has been reviewed by the court: in 2013, the court struck down provisions that limited the zoning powers of...

The Supreme Court of California held that the state's moratorium on the use of suction dredges to mine gold from rivers was not preempted by federal mining law. The case arose after an individual challenged his conviction for the possession and unpermitted use of a suction dredge. He argued that the...