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

A district court denied motions to dismiss a lawsuit challenging the federal designation of over 1.8 million acres in the Sierra Nevada mountains as critical habitat for three amphibian species.…

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…

A Federal Claims court held that the Surface Transportation Board (STB) temporarily took landowners' property without just compensation for use as an interim trail under the National Trails…

A district court held that a city council breached a development agreement for a proposed export terminal when it passed an ordinance that banned coal operations at "bulk materials facilities…

A district court dismissed an environmental group's lawsuit challenging the constitutionality of the Congressional Review Act (CRA), under which Congress recently passed a resolution…

The Ninth Circuit affirmed a lower court's grant of summary judgment in favor of a Native American tribe in a lawsuit seeking to enjoin the DOI's Bureau of Indian Affairs (BIA) from…

A district court held that that the Department of Homeland Security (DHS) need not disclose information about certain chemical facilities per an environmental group's FOIA request. The group…

The D.C. Circuit held that a mining company must exhaust its administrative remedies before it can challenge potential claims filed against it under the Black Lung Benefits Act (BLBA). The BLBA…

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…