Sierra Club v. Environmental Protection Agency

ELR Citation: 51 ELR 20017
No(s). 15-1465 (D.C. Cir. Jan 29, 2021)

The D.C. Circuit vacated three provisions of EPA's 2018 rule implementing NAAQS for ozone. Environmental groups challenged four provisions of the rule: the interprecursor trading program, a provision allowing states to demonstrate compliance with the CAA's "reasonable further progress" milestone req...

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