The Tenth Circuit affirmed a district court ruling that upheld the U.S. Forest Service's management plan to protect the San Isabel and White River National Forests from insects, disease, and fire, improve wildlife habitat, and maintain watershed conditions. A conservation group argued that the Fores...

The D.C. Circuit denied downwind states' petition challenging EPA's refusal to expand the Northeast Ozone Transport Region, which consists of states required by the Agency to enact tight restrictions on pollutants that contribute to ozone that drifts across state lines. The downwind states argued th...

The D.C. Circuit granted hydrofluorocarbon (HFC) manufacturers' petitions to review a 2016 EPA rule that rendered certain HFCs unacceptable for various uses in aerosols, motor vehicle air conditioners, commercial refrigerators, and foams. The court found that it was bound by a previous ruling that s...

A district court ordered BLM and environmental groups to agree on a remedy for BLM's failure to address impacts from greenhouse gas (GHG) emissions in its NEPA review for oil and gas development in Colorado. The groups argued that BLM failed to take a "hard look" at the severity and impacts of GHG p...

A district court granted in part environmental groups' motion for summary judgment in a challenge to BLM authorization of oil and gas leasing on federal land in Colorado, Utah, and Wyoming. The groups argued that the EAs and FONSIs issued violated NEPA because BLM failed to take a "hard look" at the...

The Ninth Circuit affirmed a summary judgment for the U.S. Forest Service in a challenge to the agency's authorization of travel management plans that permitted motorized game retrieval within a mile of every open road in three districts of the Kaibab National Forest. Environmental groups argued the...