U.S. Court of Appeals for the District of Columbia Circuit
Sierra Club v. FERC
Panel
The judges who heard this appeal.
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Judge
Patricia Ann Millett
Barack Obama
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Judge
Gregory George Katsas
Donald J. Trump
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Judge
Justin Reed Walker
Donald J. Trump
Case history
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Aug. 1, 2025decided Decision issued in Sierra Club v. FERC
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April 17, 2025argued Oral argument in Sierra Club v. FERC