The Court held that the U.S. Environmental Protection Agency (EPA) has the statutory authority to regulate greenhouse gases (GHGs) from new motor vehicles. The case arose after private organizations petitioned EPA to begin regulating four GHGs, including carbon dioxid (CO2), under the Clean Air Act....

The Ninth Circuit affirmed in part a lower court decision dismissing an environmental group's lawsuit challenging the U.S. Bureau of Reclamation's annual operating plans for the Glen Canyon Dam along the Colorado River under NEPA, the ESA, and the APA. The group was concerned about the dam's impact ...

A district court dismissed environmental groups' lawsuits challenging BLM's decision to authorize the leasing of certain public lands in northeastern Wyoming for coal mining operations. The groups, who claim that BLM failed to prepare an adequate EIS before authorizing the leasing of the tracts at i...

A district court denied environmental groups' motion to preliminarily enjoin the construction of segments of the Keystone XL pipeline. After an oil company's original request to complete the Keystone XL pipeline was denied by President Obama in 2011, the company sought to divide its original interco...

The Ninth Circuit held that the U.S. Forest Service's EIS for a forest thinning research project in the Pringle Falls Experimental Forest within the Deschutes National Forest complies with NEPA. The project allows logging and controlled burning on roughly 2,500 acres of the Forest to reduce the risk...

A district court held that a minor may bring a climate change lawsuit against the state of New Mexico under the public trust doctrine. The minor made a substantive allegation that, notwithstanding statutes enacted by the New Mexico legislature that enable the state to set air quality standards, the ...