SIERRA CLUB et al v. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY et al

  1. July 01, 2024

    EPA Inks Deal To Take Action On States' Haze Plans

    The U.S. Environmental Protection Agency has agreed to take action on plan revisions submitted by more than 30 states aimed at curbing haze-forming air pollution, resolving environmental groups' claims the agency has unlawfully delayed approving or denying the various plan revisions.

  2. June 15, 2023

    Enviro Groups Sue For EPA Action On States' Haze Plans

    Conservation groups claim the U.S. Environmental Protection Agency has failed to take timely action on plans that Kansas, Massachusetts, Michigan, New York, Ohio, Texas and Wisconsin have submitted to curb haze-forming air pollution and help boost visibility in national parks and wilderness areas.