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Public Employees for Environmental Responsibility v. Hopper

The D.C. Circuit reversed and remanded a lower court decision that the Bureau of Ocean Energy Management (BOEM) complied with NEPA and that FWS complied with the ESA in connection with a wind energy project on Nantucket Sound. Environmental groups had filed suit against a number of agencies alleging...

Sierra Club v. Federal Energy Regulatory Comm'n

The D.C. Circuit dismissed environmental groups' petition challenging FERC's decision authorizing a liquefied natural gas company to redesign its terminal in Texas to support export operations. The groups argued that FERC's analysis of the proposal’s impact on the environment violated NEPA. But to...

Sierra Club v. United States Environmental Protection Agency

A district court ordered EPA to impose a "good neighbor” federal implementation plan (FIP) for Texas with respect to the 1997 fine particulate matter (PM2.5) NAAQS. In 2015, the D.C. Circuit invalidated portions of EPA's Cross-State Air Pollution Rule, which included a FIP addressing interstate tr...