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A district court blocked expansion of a Montana surface coal mine, adopting a magistrate judge's findings and recommendations. Environmental groups challenged OSM's updated EA and…

The D.C. Circuit affirmed in part and reversed in part a lower court order vacating a Mineral Leasing Act easement issued by the Army Corps of Engineers for the Dakota Access Pipeline and…

A district court granted in part and denied in part environmental groups' motion for summary judgment in a challenge to the Army Corps of Engineers' approval of permits for a methanol…

The D.C. Circuit stayed a lower court ruling that ordered the Dakota Access Pipeline to be shut down and emptied of oil within 30 days. As to the pipeline company's motion to stay the order…

A district court vacated the Trump Administration's rescission of the Obama Administration's Waste Prevention Rule, which was enacted to reduce methane waste from oil and gas operations…

The Ninth Circuit affirmed in part and vacated in part summary judgment for DOI in a challenge to its issuance of secretarial procedures authorizing a Native American tribe to operate a hotel and…

In an unpublished opinion, the Ninth Circuit held that the U.S. Forest Service's decision not to prepare an EIS for a tree-thinning project in Mount Hood National Forest was arbitrary and…

A district court held that the U.S. Army Corps of Engineers must prepare an EIS for the Dakota Access Pipeline that runs from North Dakota to Illinois. Native American tribes argued that the Corps…

A district court vacated exempted fishing permits issued by NMFS that allowed two vessels to engage in commercial longline fishing in federal waters off the coast of California for two years.…

A district court upheld the U.S. Army Corps of Engineers' approval of a permit for an already-constructed 17-mile transmission line after the D.C. Circuit found that the Corps had failed to…