A Pennsylvania appellate court partially struck down Act 13, which pertains to oil and gas operations in the Marcellus Shale, as unconstitutional. The Act repealed Pennsylvania’s Oil and Gas Act and replaced it with a codified statutory framework regulating oil and gas operations in the Commonweal...

A district court held that a paper company that sold "broke," a byproduct of its manufacturing process, to paper recyclers was not an arranger under CERCLA for PCB contamination in a river. The company lacked knowledge that broke could be hazardous; it invested money and labor in treating, sorting, ...

The Ninth Circuit held that the United States can extinguish California's public trust rights when exercising its federal power of eminent domain. The case involves 32.42 acres of land that the U.S. Navy has continuously leased from the state since 1949. The parcel is subject to California's pub...

The U.S. Supreme Court held that a property owner may proceed with his APA suit against the United States claiming that the Secretary of the Interior lacked authority under §465 of the Indian Reorganization Act to take title to land in trust for a Native American tribe seeking to open a casino....

The Third Circuit vacated as moot a lower court decision that dismissed a contractor's third-party complaint against Pennsylvania and the commonwealth's natural resources agency for cleanup costs associated with Quehanna Wild Area Nuclear Site. The contractor argued that the lower court erred by...