A district court granted EPA's motion to dismiss a challenge by scientific advocacy groups to the Agency's directive barring recipients of EPA grants from serving on any of the Agency's advisory committees. The groups argued that the directive diminished EPA's ability to make science-based decisions...

A district court dismissed a conservation group's suit to block the Department of Homeland Security from constructing a border wall near the National Butterfly Center in southern Texas. The group argued that the Department violated the Fourth Amendment by entering the Center without consent or warra...

A district court denied environmental groups' motion to preliminarily enjoin a pipeline company from continuing construction on an oil pipeline in the Atchafalaya Basin. The groups sought the injunction to prevent alleged irreparable harm to the basin, arguing that the company was violating key perm...

A district court granted in part and denied in part an environmental group's motion for summary judgment against the U.S. Forest Service and USDA for failure to disclose under FOIA information about a water bottling company's license to operate in the San Bernadino National Forest. The group argued ...

A district court granted environmental groups' request to compel the U.S. Chemical and Safety Hazard Investigation Board to promulgate regulations concerning accidental chemical releases. The groups argued that the Board's failure to implement reporting regulations in the 27 years since Congress ame...

The Ninth Circuit affirmed a district court's dismissal of a constitutional challenge to California's 2015 Low Carbon Fuel Standard (LCFS). Farming groups argued that the state's LCFS violated the Commerce Clause and the federal structure of the Constitution by regulating extraterritorially. But the...

A district court ruled unconstitutional an Iowa statute that criminalized undercover investigations of slaughterhouses and other animal facilities. Environmental groups argued that the state statute impermissibly restricted their free speech under the First Amendment because it was a content- and vi...

A district court granted an environmental group's motion for partial summary judgment against EPA for failure to respond to the group's FOIA requests. The group argued that the Agency violated FOIA by not making a determination whether to comply with the group's four FOIA requests within 20 business...

A state court dismissed a lawsuit filed by a mining company challenging the Montana Department of Environmental Quality's labeling of the company's chief executive officer as a "bad actor" under state mining law, effectively prohibiting the company from conducting mining and exploration activities i...

The Arizona Supreme Court vacated a ruling that a Native American tribe sufficiently alleged standing to bring a public nuisance claim against a resort using reclaimed wastewater to make artificial snow on the San Francisco Peaks in northern Arizona. Before the lower court, the tribe argued that the...