ELR Citation: ELR 20684
No(s). 72-804 (U.S. Jun 11, 1973)

The Supreme Court affirms on a 4-4 tie vote the decision of the D.C. Circuit Court of Appeals in Sierra Club v. Ruckelshaus, enjoining the Administrator of EPA from approving any state implementation plan under the Clean Air Act that permits significant deterioration of existing air quality. For the...