An Arizona court overturned the state's issuance of an air permit for a proposed open-pit copper mine. An environmental group argued that the state's approval of the permit was arbitrary and capricious because the mine has the potential to violate NAAQS. They also claimed that the mine's modeling re...
The California Supreme Court reversed a lower court decision that a developer's proposal to demolish an existing home and build a 10,000 square-foot single-family home on the lot may not be categorically exempt from environmental review under the California Environmental Quality Act (CEQA). After th...
The Ninth Circuit upheld the dismissal of a trucking association's federal preemption challenge to a California environmental regulation on diesel trucks. The regulation requires heavy-duty diesel trucks, whose emissions contribute significantly to particulate matter and ozone pollution, to be upgra...
A California appellate court ordered the dismissal of an environmental group's California Environmental Quality Act (CEQA) lawsuit against a city in connection with emergency storm drain repair and revegetation projects. Following a storm drain failure in 2009 that caused significant erosion along a...
A district court held that BLM failed to adequately explain and support its decision to allow grazing on Sonoran Desert National Monument lands north of Interstate Highway 8 in violation of NEPA. Specifically, the court ruled that BLM's land health evaluation—an essential step in the process of de...
A district court dismissed a flood protection board's lawsuit against 88 oil and gas companies for damages stemming from coastal erosion along a "buffer zone" in southeast Louisiana. The companies do not owe a legal duty to the board, arising under either Louisiana law or the Rivers and Harbors Act,...
The Texas Supreme Court reinstated a jury verdict in favor of a waste disposal facility in a trespass case filed against it by a neighboring rice farm. At trial, the farm argued that deep subsurface wastewater from the facility trespassed beneath its property, but the jury returned a verdict in the ...