On May 21, 2008, the Bay Area Air Quality Management District (BAAQMD) voted 15-1 to approve a new Greenhouse Gas (GHG) Fee for stationary sources. Effective July 1, 2008, over 2500 GHG sources across the region, such as power plants, oil refineries and cement plants, will be subject to a fee of 4.4 cents per metric ton of CO2 equivalent. Most facilities are expected to pay less than $1 annually, while the top seven emitters in the region will owe more than $50,000. According to BAAQMD’s Staff Report, the Fee’s estimated Fiscal Year 2009 revenue of $1,116,000 is intended to offset the costs of the District’s Climate Protection Program (CPP). The CPP provides input and support for helping meet the statewide emissions targets established in the 2006 California Global Warming Solutions Act, AB 32. The fee represents one of the first policies of its kind in the United States; the city of Boulder, Colorado, enacted a tax on GHG emissions from electricity generation in November 2006.