CA AB1911

Creates a legal defense against misleading environmental marketing claims for businesses that use carbon credits from approved programs, including those approved by the California Air Resources Board or the International Civil Aviation Organization's Carbon Offsetting Reduction Scheme for International Aviation

Establishes detailed criteria for qualifying carbon crediting programs, including requirements for transparent methodologies, public registries with unique credit identifiers, independent third-party verification, and measures to prevent double counting

Requires carbon crediting programs to have governance structures with independent board members, annual financial reporting, anti-money laundering processes, and anti-bribery/corruption safeguards

Mandates the State Air Resources Board publish and maintain a list of carbon crediting programs meeting the specified criteria by a date after January 1, 2027 (specific deadline left blank in bill text)

Sets verification body requirements including ISO 14065 accreditation and minimum $2,000,000 professional liability insurance for those operating in the United States