A district court denied an environmental group's motion for summary judgment in a challenge to the Forest Service's approval of a restoration project in Okanogan-Wenatchee National Forest. The group argued the Service violated NEPA and its implementing regulations in designing, analyzing, and implem...

The Fifth Circuit, 2-1, denied petitions to review EPA's 2016 designation of two counties in Texas as nonattainment for the 2010 sulfur dioxide NAAQS. The state of Texas and the owner of a power plant located in one of the counties sought to have the designation vacated, arguing it violated the CAA ...

The Fourth Circuit, 2-1, granted West Virginia's motion to stay EPA's disapproval of its SIP addressing "good neighbor" obligations under the revised 2015 air quality standards for ozone. EPA's disapproval found the state would still contribute significantly to nonattainment or interfere with mainte...

The Third Circuit denied petitions to review FAA's FONSI decision approving construction of a new terminal at an airport in New Jersey. Petitioners argued FAA erroneously determined that the project did not expand the terminal and would not induce air traffic growth, failed to consider the cumulativ...

The Tenth Circuit reversed a district court finding of a CWA violation in a citizen suit brought against the operator of a gold mine in Colorado. Plaintiffs argued the operator violated the CWA because seepage from the mine's settling ponds flowed into the groundwater and then migrated to the Middle...

The Fifth Circuit vacated a district court ruling in a decades-long dispute over whether a property in Louisiana contains federally regulated wetlands. The property owner sued the Army Corps of Engineers, arguing its determination that the property contained federal regulated wetlands was arbitrary ...

A district court denied Indigenous and environmental groups' motion for injunction pending appeal of their challenge to BLM's approval of an oil and gas development project in the National Petroleum Reserve-Alaska. The groups initially sought to preliminarily enjoin construction through the remainde...

The Ninth Circuit affirmed summary judgment for the Forest Service in a challenge to its approval of a logging project in Inyo National Forest. Environmental groups argued the Service failed to adequately consider alternatives, failed to solicit public comments following its 2018 EA, and failed to s...

The Ninth Circuit affirmed summary judgment for an environmental group in a suit against a California resident who engaged in instream suction dredge mining in Idaho’s South Fork Clearwater River without an NPDES permit. The group argued the resident violated the CWA each time he operated a suctio...

The Fifth Circuit, 2-1, granted six small refineries' petitions to review an EPA decision denying their requested exemptions from obligations under the CAA Renewable Fuel Standard (RFS) program. The refineries challenged two actions—EPA's denial of 36 petitions from 36 small refineries seeking exe...