Organization of the California Air Resources Board CARB is a part of the California Environmental Protection Agency, an organization which reports directly to the Governor's Office in the Executive Branch of California State Government. Divisions & OfficesChair's OfficeExecutive OfficeAdministrative Services DivisionAir Quality Planning and Science DivisionEmissions Certification and Compliance DivisionEnforcement DivisionIndustrial Strategies DivisionMobile Source Control DivisionMobile Source Laboratory DivisionMonitoring and Laboratory DivisionOffice of Community Air ProtectionOffice of Information ServicesResearch DivisionSustainable Transportation and Communities DivisionTransportation and Toxics Division