FERC Must Redo Louisiana Natural Gas Project’s Emissions Impacts

US energy regulators inadequately explained their failure to determine the environmental impacts of a proposed liquefied natural gas project’s emissions, the D.C. Circuit found Tuesday.

The Federal Energy Regulatory Commission also failed to adequately assess the cumulative effects of the project’s nitrogen dioxide emissions, the US Court of Appeals for the District of Columbia Circuit ruled.

The opinion granted a partial victory to Healthy Gulf and four other environmental groups that challenged the commission’s November 2022 approval of the Commonwealth LNG facility in southwestern Louisiana. The groups argued FERC ...