Abstract: . . .  for 1997.) Average number of persons per household Short tons of CO2 absorbed annually by 1 acre of forest (Global ReLeaf) Metric tons of carbon absorbed annually by 1 acre of forest (Our Ecological Footprint, Wackernagel & Rees, 1996) Short tons of CO2 absorbed annually by 1 acre of forest (Wackernagel & Rees) 86,900,000,000 152,000,000 572 91,912,000 2.12 671,000 0.0154 123,000 0.0028 296,400,000,000 198,860,000 1.34 2,000 0.000013 376,000 0.0025 267,800,000 2.69 5.00 0.73 2.94 Note: Emissions from non-fossil sources (hydropower and other renewables, nuclear) are negligible or non-existent. Wind Energy Teacher's Guide was produced by the American Wind Energy Association with the support of the U.S Department of Energy. (c) 2003 American Wind Energy Association. Cover photo: Turbine at Spirit Lake Elementary School, Spirit Lake, Iowa. 15  . . .
. . .  1997.) Average number of persons per household Short tons of CO2 absorbed annually by 1 acre of forest (Global ReLeaf) Metric tons of carbon absorbed annually by 1 acre of forest (Our Ecological Footprint, Wackernagel & Rees, 1996) Short tons of CO2 absorbed annually by 1 acre of forest (Wackernagel & Rees) 86,900,000,000 152,000,000 572 91,912,000 2.12 671,000 0.0154 123,000 0.0028 296,400,000,000 198,860,000 1.34 2,000 0.000013 376,000 0.0025 267,800,000 2.69 5.00 0.73 2.94 Note: Emissions from non-fossil sources (hydropower and other renewables, nuclear) are negligible or non-existent. Wind Energy Teacher's Guide was produced by the American Wind Energy Association with the support of the U.S Department of Energy. (c) 2003 American Wind Energy Association. Cover photo: Turbine at Spirit Lake Elementary School, Spirit Lake, Iowa. 15  . . .
--3000,2,750,1849,29914