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Marcellus Shale Coalition v. Department of Environmental Protection

Pennsylvania's highest court largely upheld a temporary injunction enjoining the state environmental agency from enforcing certain regulations governing unconventional oil and gas operations. The court reversed the lower court's...

Bartlett v. Honeywell International Inc.

The Second Circuit affirmed a lower court decision that CERCLA preempts state tort law claims brought by residents living near the Onondaga Lake Superfund site. The owner of the site undertook remedial action pursuant to a federal...

Exxon Mobil Corp.

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...

Colorado Oil & Gas Ass'n v. City of Thornton

A Colorado court, on motions for summary judgment, held that state and federal law preempt portions of a city ordinance concerning the regulation of oil and gas development within its boundaries. The provisions for minimum setbacks...

EQT Production Co. v. Department of Environmental Protection

Pennsylvania's highest court held that the $10,000/day civil penalty under the Clean Streams Law does not apply to each day that pollutants leaked from an impoundment remain in the groundwater and then leach into other waters of the...

M.L. Johnson Family Properties, LLC v. Zinke

A district court upheld a surface coal mining permit issued to a company even though the cotenant objected to any mining on the property. The company cotenant conveyed the right to enter and surface mine coal to an affiliate, but the...

B&R Resources, LLC v. Department of Environmental Protection

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...

National Ass'n of Wheat Growers v. Zeise

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...

Delaware Riverkeeper Network v. Sunoco Pipeline L.P.

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...

Montana v. Wyoming

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...

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