WildEarth Guardians v. EPA, et al, No. 13-9524 (10th Cir. 2014)
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In 2012, the Environmental Protection Agency (EPA) promulgated a final Federal Implementation Plan (FIP) to reduce regional haze by regulating emissions of nitrogen oxides (NOx) and particulate matter (PM) at the five units of the Four Corners Power Plant on the Navajo Reservation. WildEarth Guardians filed a petition under 42 U.S.C. 7607(b)(1) for review of the FIP. It argued that promulgation of the FIP did not comply with the Endangered Species Act (ESA) because the EPA failed to consult with the Fish and Wildlife Service about the effect of the FIP even though the EPA had discretion to act to protect endangered fish near the Plant from mercury and selenium emissions. WildEarth argued that the EPA had four grounds for the exercise of discretion that could have benefitted the fish. But the principal ground was mooted by the closure of three units of the Plant, and two other grounds were not raised in WildEarth’s opening brief. "As for the fourth alleged ground, it could not create a duty to consult under the ESA because it would have required the EPA to exceed the clearly delineated boundaries of the FIP." The Tenth Circuit denied the petition.
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