SCAG (Southern California Association of Governments) : SCAG is the nation's largest metropolitan planning organization, representing six counties, 191 cities and more than 18 million residents. SCAG undertakes a variety of planning and policy initiatives to encourage a more sustainable Southern California now and in the future. It's mission is to facilitate a forum to develop and foster the realization of regional plans that improve the quality of life for Southern Californians.
SCAQMD (South Coast Air Quality Management District) : SCAQMD is the air pollution control agency for all of Orange County and the urban portions of Los Angeles, Riverside and San Bernardino counties
Cal-Recycle Regional Agencies: Cities and counties may join together to form “regional agencies.” Regional agencies can report disposal numbers as one entity. Regional agencies may prepare a single set of waste management planning documents, report to the California Integrated Waste Management Board (Board) as one entity, and jointly implement diversion programs.