Chamber of Commerce of the United States of America et al v. California Air Resources Board et al

  1. September 12, 2025

    Calif. Court Refuses To Block Climate Reporting Rules, Again

    A California federal court judge would not bar two new state climate disclosure regulations while a coalition of business groups takes its bid for an injunction up to the Ninth Circuit, saying his perspective hasn't shifted since the groups' last injunction request. 

  2. August 21, 2025

    Biz Groups Appeal Calif. Climate Reporting Ruling To 9th Circ.

    The U.S. Chamber of Commerce and other business groups have appealed a court order rejecting their bid to block new California state regulations requiring large companies to publicly disclose their greenhouse gas emissions and climate-related financial risks that they claim violate their First Amendment rights.

  3. August 13, 2025

    Business Groups Fail To Halt Calif. Climate Reporting Rules

    The U.S. Chamber of Commerce and other business groups lost a bid to block new California state regulation requiring large companies to publicly disclose their greenhouse gas emissions and climate-related financial risks that they said violated their First Amendment rights, when a federal judge Wednesday denied them preliminary injunction.

  4. April 08, 2025

    Calif. Opposes Bid To Freeze State Corporate Climate Regs

    California is opposing a move by the U.S. Chamber of Commerce and other business groups to stop a pair of regulations on corporate climate reporting from going into effect, telling a federal judge that the state is allowed to protect shareholders from potentially deceptive or misleading commercial speech.

  5. February 26, 2025

    US Chamber Wants Calif. Climate Disclosure Regs Blocked

    The U.S. Chamber of Commerce and other business groups have asked a California federal judge to block the state's corporate climate disclosure rules, arguing companies are already suffering harm due to laws that are "so overinclusive, they flunk any First Amendment test."

  6. February 04, 2025

    Calif. Partly Beats Challenge To Climate Disclosure Laws

    A California federal judge has trimmed a lawsuit brought by the U.S. Chamber of Commerce and other business groups over the state's corporate climate disclosure rules, finding the groups failed to state a claim with respect to two causes of action.

  7. November 05, 2024

    Groups Lose Early Bid To Undo Calif. Climate Disclosure Laws

    A California federal judge rejected the U.S. Chamber of Commerce and other business groups' attempt to block California's corporate climate disclosure rules before discovery, ruling Tuesday that discovery is needed for the court to answer whether the laws facially violate the First Amendment.

  8. September 23, 2024

    Chamber Says X Ruling Boosts Bid To Nix Calif. Climate Laws

    The U.S. Chamber of Commerce and the state of California have filed competing briefs on how a recent Ninth Circuit decision blocking parts of a social media law applies to the state's corporate climate disclosure rules, with the Chamber arguing the ruling reinforces how the latter violate the First Amendment.

  9. July 25, 2024

    California Disses Chamber's Climate Compliance Attack

    The state of California on Wednesday slammed the U.S. Chamber of Commerce's attempt to block the state's corporate climate disclosure rules before discovery opened in the Chamber's suit, arguing it should be allowed a chance to disprove the group's "vague and unsubstantiated" claims.

  10. March 28, 2024

    Calif. Looks To Sink Chamber's Climate Disclosure Challenge

    The state of California says a challenge by the U.S. Chamber of Commerce and other business groups to its recently enacted corporate climate disclosure laws should be tossed, arguing the groups cannot sue since enforcement of the law has not begun and the groups cannot plead an injury.