Exxon Mobil Sues California Over Climate Disclosure Laws, Citing First Amendment Violations

Exxon Mobil has filed a lawsuit against the state of California, challenging two recently enacted climate disclosure laws that require major corporations to publicly report their greenhouse gas emissions and climate-related financial risks. Filed in the U.S. District Court for the Eastern District of California, the lawsuit targets Senate Bills 253 and 261, which Exxon claims violate its First Amendment rights by compelling it to promote what the company calls “California’s preferred climate narrative.”

According to the complaint, Exxon argues that these laws force the company to adopt reporting frameworks it views as misleading and inconsistent with its own voluntary sustainability disclosures. The oil giant asserts that it already provides transparent emissions and risk reports, but objects to California’s “compulsory and ideologically driven” standards.

Senate Bill 253 mandates that public and private companies operating in California with annual revenues exceeding $1 billion must disclose their total carbon emissions, including indirect emissions from suppliers and customers, starting in 2026. Senate Bill 261, meanwhile, requires companies generating more than $500 million annually to report their climate-related financial risks and outline strategies to mitigate them. Exxon contends that SB 261 also conflicts with existing federal securities laws that already govern corporate environmental and financial risk disclosures.

California, known for its aggressive climate policies since passing its landmark climate law in 2006, pushed the bills forward in 2023 with strong backing from companies like Apple, Microsoft, and Ikea. However, business groups such as the U.S. Chamber of Commerce and the American Farm Bureau Federation opposed the regulations, labeling them “onerous” and costly for compliance.

Exxon’s lawsuit seeks to prevent California from enforcing these laws, arguing that forcing corporations to communicate state-driven perspectives constitutes unconstitutional compelled speech.