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Facts About Assembly Bill 32

California Global Warming Solutions Act


Assembly Bill 32 (AB 32) establishes a first-in-the-world comprehensive program of regulatory and market mechanisms to achieve real, quantifiable, cost-effective reductions of greenhouse gases (GHG).  AB 32 makes the Air Resources Board (ARB) responsible for monitoring and reducing GHG emissions and continues the existing Climate Action Team (CAT) to coordinate statewide efforts. 

Requires ARB to:

Implementation Timeline
September 27, 2006 AB 32 signed by Governor
January 25, 2007 ARB creates Environmental Justice and Economic and Technology Advancement Advisory Committees
June 21, 2007 ARB adopts first list of early action measures
October 25, 2007 ARB adopts augmented list of early action measures
December 6, 2007 ARB adopts Mandatory Reporting regulations for greenhouse gases and sets Target for 2020 greenhouse gas emissions
December 2007 ARB adopts 1st discrete early action measure
December 12, 2008 ARB approves AB 32 Climate Change Scoping Plan
April 23, 2009 ARB adopts Low Carbon Fuel Standard
May 22, 2009 ARB and Cal/EPA create the Economic and Allocation Advisory Committee to advise on Cap-and-Trade Program
June 25, 2009 ARB adopts last discrete early action measure
2009 - 2010 ARB and other agencies develop and adopt greenhouse gas rules and programs
January 1, 2010 Early action measures take effect
November 2010 ARB public hearing on Cap-and-Trade regulation
January 1, 2012 All greenhouse gas rules take effect

For More Information

Visit the California Air Resources Board’s Climate Change Program website at: http://www.arb.ca.gov/climatechange.  For more information or to obtain this document in an alternative format or language please contact the ARB’s Helpline at (800) 242-4450.  TTY/TDD/Speech to Speech users may dial 711 for the California Relay Service.