The Ninth Circuit held that Washington state's management of barrier culverts, which allow streams to flow underneath roads, violated various Native American treaties from the 1850s and…

A district court held that West Virginia law preempts a county's ban on wastewater disposal wells. The ordinance effectively outlaws horizontal drilling anywhere in the county. It establishes…

The Sixth Circuit upheld a lower court decision sentencing an individual to 60 months in prison and ordered the individual and his co-defendants, jointly and severally, to pay $10,388,576.71 in…

The Texas Supreme Court held that the common-law "accommodation doctrine," which gives an oil-and-gas lessee an implied right to use the land as reasonably necessary to produce and…

The Vermont Supreme Court affirmed a lower court decision dismissing as untimely the state's claims against a number of companies for generalized injury to state waters due to groundwater…

A Pennsylvania court dismissed developers' lawsuit against environmental activists and township residents for alleged tortious interference with contract with respect to a series of oil and…

The Florida Supreme Court held that the state's public utility commission exceeded its statutory rate-setting authority when it allowed an electric company to use customer money to recover…

In an unpublished opinion, a district court held that a developer may go forward with its CERCLA, tort law, and fraudulent concealment claims against the former owner of contaminated property…

Massachusetts' highest court held that the state Department of Environmental Protection (DEP) failed to issue regulations setting limits on greenhouse gas (GHG) emissions, as required by…

New York's highest court held that material questions of fact prevent it from ruling on whether a narrow waterway within a remote area of the Adirondack Mountains is navigable-in-fact and…