California’s sweeping new climate-disclosure mandates have triggered an escalating legal battle now arriving at the U.S. Supreme Court, with business groups asking to temporarily halt two state laws—Senate Bill 253 and Senate Bill 261 —that require large companies operating in California to report their greenhouse-gas emissions and climate-related financial risks.

The emergency appeal argues that forcing companies to issue these disclosures violates the First Amendment, setting up a high-stakes dispute over the boundary between state transparency rules and protections against compelled speech.

Newsweek contacted attorney for the parties for comment via email outside of normal office hours on Friday.

Why It Matters

California’s first-in-the-nation climate disclosure laws have trigg

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