The Tenth Circuit dismissed a challenge to a DOI rule governing hydraulic fracturing on federal and tribal lands, overturning a lower court ruling. In 2015, BLM finalized a fracking regulation that imposed new well construction, testing requirements, and chemical disclosure requirements, and increas...

The Tenth Circuit held that BLM's approval of coal leases in the Wyoming Powder River Basin violated NEPA. In its 2010 EIS for the leases, BLM concluded that there was no appreciable difference between the United States’ total carbon dioxide emissions under its preferred alternative and the no-act...

The D.C. Circuit held that EPA erred in how it interpreted and used the “inadequate domestic supply” waiver in the Renewable Fuel Standard law when setting low renewable fuel volumes for 2014-2016. In December 2015, EPA promulgated a rule establishing volume requirements and the resulting percen...