A district court granted in part and denied in part a pipeline company's motion to amend the court's previous order temporarily enjoining the company from constructing a cross-border oil pipeline known as Keystone XL. The company sought clarification of the injunction to ensure that it could continu...

The Fourth Circuit vacated the U.S. Forest Service's decisions authorizing a natural gas pipeline to be constructed across two national forests. Environmental groups argued that the agency violated the National Forest Management Act when it determined that its amendments to the George Washington and...

A district court denied environmental groups' motion for summary judgment in a challenge to BLM's 2017 lease sale of more than 10 million acres in the National Petroleum Reserve-Alaska (NPR-A). The groups challenged the agency's failure to prepare an EIS or EA for the lease sale, arguing that the sa...

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...

A district court temporarily enjoined a pipeline company from constructing a cross-border oil pipeline known as Keystone XL. Environmental groups argued that the State Department violated NEPA when it approved Keystone XL, by failing to evaluate in its final EIS the cumulative climate impacts of the...

A district court granted in part environmental groups' motion for summary judgment in a challenge to FWS' administration of a wildlife export program under the Convention on International Trade in Endangered Species (CITES). The groups argued that the agency violated NEPA when it did not prepare an ...

A district court granted in part environmental groups' request for judicial review of BLM's resource management plan (RMP) for an area in the Colorado River Valley. The groups argued that the agency failed to consider the severity and impacts of greenhouse gas pollution and climate change, methane e...

A district court preliminarily enjoined BLM from conducting oil and gas lease sales under the procedures of a new BLM directive. Environmental groups argued that the directive unlawfully constrains environmental review of, and public participation in, oil and gas lease decisions that affect and thre...

A district court ordered the State Department to supplement its 2014 EIS for a cross-border oil pipeline, known as Keystone XL, to consider the pipeline company's alternative route that was approved for the project. Environmental groups argued that the agency violated NEPA by failing to revisit its ...

The Ninth Circuit affirmed in part and reversed in part a district court's summary judgment in favor of the U.S. Forest Service's approval of a site-specific project concerning restoration activities on roughly 80,000 acres in Payette National Forest in Idaho. Environmental groups challenged the app...