The Massachusetts Supreme Court affirmed a lower court's denial of an oil and gas company's motion to dismiss a civil enforcement action brought by the Massachusetts attorney general (AG) based on the company's communications with investors and consumers concerning the impact of climate change. The ...

The Court of Federal Claims entered judgment for the U.S. government in a takings challenge against FWS for rerouting spring waters that had previously flowed through church property into a restoration channel in an effort to save a native fish species. The church argued the berm FWS installed upstr...

A district court dismissed a lawsuit concerning the city of Chicago’s delay in issuing an operating permit for a recycling facility in the city’s Southeast Side neighborhood. The company argued its constitutional rights were being violated as a result of the city’s delay of the permit review p...

The Fourth Circuit affirmed summary judgment for a county in South Carolina in a lawsuit concerning the county's alleged taking of honey sellers' bees. The sellers argued their bees died after the county sprayed pesticide in an effort to kill mosquitoes, and thus constituted a Fifth Amendment taking...

The D.C. Circuit affirmed in part and reversed in part a lower court's dismissal of a conservation group's suit to block the Department of Homeland Security (DHS) from constructing a border wall near the National Butterfly Center in southern Texas. The group argued that the Department's presence on ...

A district court held that William Perry Pendley was unlawfully serving as the acting director of BLM. The governor of Montana and the Montana Department of Natural Resources and Conservation argued that Pendley was unlawfully serving as the acting director in violation of the Appointments Clause, t...

A district court denied the U.S. government summary judgment in a lawsuit concerning California's cap-and-trade agreement with Quebec. The government argued the agreement was conflict preempted by the foreign affairs doctrine because it created an obstacle to the effectuation of the Global Climate P...

A district court permanently enjoined a California Proposition 65 warning requirement on the weedkiller glyphosate. Agribusiness groups argued the law, which requires warning labels for products containing chemicals known to California to cause cancer, as applied to glyphosate compelled speech under...

The Federal Circuit reversed a Court of Federal Claims ruling that the U.S. government was liable for flooding private properties when it raised the water level of a lake in Mississippi to prevent a nearby levee from breaching. Landowners argued that raising the water level of the lake, which subseq...

A district court ruled unconstitutional provisions of a North Carolina statute that restricted undercover investigations of facilities and farms where animal testing or processing takes place. Nonprofit groups argued that provisions of the statute violated the First Amendment because they failed the...