Three organizations filed a petition for review in the Fifth Circuit Court of Appeals challenging the U.S. Department of Transportation Maritime Administration’s issuance of a license for the Delfin LNG LLC deepwater port terminal off the coast of Louisiana. In a <a href="https://biologicaldiversity.org/w/news/press-releases/lawsuit-challenges-trump-approval-of-louisiana-lng-deepwater-export-terminal-2025-05-19/">press release</a> announcing the lawsuit, the organizations said they were challenging the failure to fully assess the environmental and climate harms of the project, which would be the U.S.’s first offshore liquefied natural gas (LNG) export project.

Challenge to the U.S. Department of Transportation Maritime Administration’s issuance of a license for the Delfin LNG LLC deepwater port terminal off the coast of Louisiana for exports of liquefied natural gas.

Center for Biological Diversity v. U.S. Department of Transportation

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Lawsuit Challenged Federal Authorization for Deepwater Port for LNG Exports

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Lawsuit Challenged Federal Authorization for Deepwater Port for LNG Exports

Policy instrument

Risk

Impacted group

Just transition

Renewable energy

Fossil fuel

Greenhouse gas

Economic sector

Adaptation/resilience

Finance