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134 F.4th 568
D.C. Cir.
2025
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Background

  • The Alaska LNG Project sought Department of Energy (DOE) authorization to export liquefied natural gas (LNG) produced from Alaska’s North Slope, transporting it via an 800-mile pipeline to a liquefaction and export terminal on the Kenai Peninsula.
  • FERC granted construction and operation approval after issuing a comprehensive Environmental Impact Statement (EIS), which the court previously ruled complied with the National Environmental Policy Act (NEPA).
  • DOE granted conditional approval for LNG exports to non-free trade agreement countries, subject to further environmental review.
  • Sierra Club and Center for Biological Diversity challenged DOE's export authorization, arguing failures in both the public interest determination under the Natural Gas Act and NEPA compliance.
  • A rehearing and a supplemental EIS were conducted in response to executive orders by President Biden, albeit executive orders do not create judicially enforceable rights.
  • The D.C. Circuit reviewed whether DOE complied with statutory obligations and denied the petitions for review, upholding DOE’s export authorization.

Issues

Issue Plaintiff’s Argument Defendant’s Argument Held
Public Interest under Natural Gas Act DOE misconceived “public interest” by not considering full impacts Congress presumes exports are in public interest; prior FERC approval Presumption favors exports; petitioners’ view rejected
Downstream GHG Emissions (Foreign Impacts) DOE failed to analyze climate impacts of exported LNG Such impacts are too speculative/uncertain for meaningful analysis Uncertainty supported by evidence; no NEPA violation
Upstream/Indirect Environmental Impacts DOE dismissed impacts that occur only if export approved FERC’s adopted EIS adequately considered these impacts Precluded; already resolved by prior court decision
NEPA Compliance DOE failed to properly supplement environmental review DOE’s EIS adoption and supplement were thorough and sufficient DOE complied with NEPA; petitions denied

Key Cases Cited

  • Sierra Club v. Department of Energy, 867 F.3d 189 (D.C. Cir. 2017) (upholding DOE’s treatment of speculative downstream LNG impacts under the Natural Gas Act and NEPA)
  • Center for Biological Diversity v. FERC, 67 F.4th 1176 (D.C. Cir. 2023) (ruling FERC’s EIS for Alaska LNG complied with NEPA, precluding re-litigation)
  • W. Va. Pub. Servs. Comm’n v. Dep’t of Energy, 681 F.2d 847 (D.C. Cir. 1982) (interpreting the public interest presumption in the Natural Gas Act)
  • Ass’n of Data Processing Serv. Orgs., Inc. v. Board of Governors of the Fed. Rsrv. Sys., 745 F.2d 677 (D.C. Cir. 1984) (describing factual findings and substantial evidence review standard)
Read the full case

Case Details

Case Name: Sierra Club v. DOE
Court Name: Court of Appeals for the D.C. Circuit
Date Published: Apr 15, 2025
Citations: 134 F.4th 568; 20-1503
Docket Number: 20-1503
Court Abbreviation: D.C. Cir.
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