AB 32: California Global Warming Solutions Act of 2006

AB 32 mandates that California reduce its global warming pollution to 1990 levels by 2020 and further to 80 percent below 1990 levels by 2050. The law establishes a mandatory reporting system for large emitters and directs the California Air Resources Board (CARB) to implement a combination of regulations and a market-based cap-and-trade program to achieve these targets.

• AB 32 mandates that California's global warming pollution be reduced to 1990 levels by 2020, with a long-term commitment to reach 80 percent below 1990 levels by 2050.
• The California Air Resources Board (CARB) established a mandatory reporting system on April 1, 2009, requiring entities emitting more than 25,000 metric tons of carbon dioxide per year to report annual emissions.
• The state's Scoping Plan divides the 2020 reduction strategy into two parts: approximately 80 percent of reductions are expected from regulations—including a 33% renewable energy standard, a Low Carbon Fuel Standard, and vehicle standards—while the remaining 20 percent will be achieved via a market-based cap-and-trade program.
• CARB is required to adopt specific regulations by January 1, 2011, for implementation by 2012. These regulations must, where feasible, ensure reductions are permanent and verifiable, maximize benefits to California, avoid disproportionate impacts on low-income communities, and minimize leakage of emissions outside the state.

APA

Union of Concerned Scientists (2009). AB 32: California Global Warming Solutions Act of 2006. https://www.ucs.org/sites/default/files/attach/2018/02/ab-32-as-signed-fact-sheet-1%255B1%255D.pdf

Chicago

Union of Concerned Scientists. AB 32: California Global Warming Solutions Act of 2006. 2009. https://www.ucs.org/sites/default/files/attach/2018/02/ab-32-as-signed-fact-sheet-1%255B1%255D.pdf.

Wikipedia

{{cite report |author=Union of Concerned Scientists |title=AB 32: California Global Warming Solutions Act of 2006 |date=June 2009 |url=https://www.ucs.org/sites/default/files/attach/2018/02/ab-32-as-signed-fact-sheet-1%255B1%255D.pdf |access-date=23 October 2026 |via=Climate Insights Directory}}

BibTeX

@techreport{unionofconcernedscientists2009california, author = {{Union of Concerned Scientists}}, title = {{AB 32: California Global Warming Solutions Act of 2006}}, institution = {Union of Concerned Scientists}, year = {2009}, month = jun, url = {https://www.ucs.org/sites/default/files/attach/2018/02/ab-32-as-signed-fact-sheet-1%255B1%255D.pdf}, urldate = {2026-10-23}, note = {Indexed by Climate Insights Directory} }