Explore 3 court opinions on Clean Air Act State Implementation Plans Sips . AI-powered plain English summaries, key holdings, and legal analysis.
3 recent cases analyzed in this topic area.
Ninth Circuit Affirms Dismissal of EPA SIP Challenge Over Lack of Standing
G.B. v. United States Environmental Protection Agency, decided by Ninth Circuit on April 9, 2026, resulted in a defendant win outcome. The Ninth Circuit affirmed the district court's dismissal of a la...
Tenth Circuit Affirms EPA's Approval of State Water Quality Standards
Center for Biological Diversity v. EPA, decided by Tenth Circuit on April 28, 2025, resulted in a defendant win outcome. The Center for Biological Diversity (CBD) challenged the EPA's approval of a st...
Tenth Circuit Affirms EPA Approval of State Water Quality Standards
Center for Biological Diversity v. EPA, decided by Tenth Circuit on March 4, 2025, resulted in a defendant win outcome. The Center for Biological Diversity challenged the EPA's approval of a state's w...