1. Governor Brown, Executive Order B-55-18. 2018.
2. AB 32, California Global Warming Solutions Act of 2006. California State Assembly, 2006.
3. Governor Brown, Executive Order B-30-15. Office of the Governor, 2015.
4. SB 32, California Global Warming Solutions Act of 2006: Emissions Limit. California State Senate, 2016.
5. California Air Resources Board, California’s Greenhouse Gas Emission Inventory. http://www.arb.ca.gov/cc/inventory/data/data.htm.