2 Full-time staffers on the Democratic National Convention (DNC) Committee in charge of making this year's convention, which begins Aug. 25, the "most environmentally sustainable‚" in U.S. history.

50,000 Visitors expected in Denver, Colo., for the DNC.

100 Percent of electricity used by the convention to be produced from renewable sources.

1 Tons of CO2 pollution (projected average) each attendee will emit through ground travel, air travel, accommodations, and waste over the course of the four-day convention.

1.3 Tons of CO2 pollution (average) from fossil fuels emitted per person per year in Africa as of 2005.

12 Dollars it costs to voluntarily offset one ton of CO2 pollution through the DNC's partnership with NativeEnergy, a carbon offset company.

100 Percent of Western delegates offsetting their DNC carbon footprint. Each will receive a "wearable green item."

85 Goal for minimum percentage of convention waste to be reused, recycled, or composted.

11,000 Number of organic, union-made, U.S.-made fanny packs the DNC plans to provide for volunteers.