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TerraPass is a social enterprise that provides carbon offsetting products to individuals and businesses. Headquartered in San Francisco, California, TerraPass uses proceeds from member purchases to fund greenhouse gas reduction projects such as wind farms and methane digesters. TerraPass products include a Road TerraPass to offset car emissions, a Flight TerraPass to offset airplane emissions, a Home TerraPass for home energy use, a Business TerraPass for organizations, and a Wedding TerraPass for weddings and other events. ==Carbon Portfolio== TerraPass's portfolio of carbon reduction projects is divided between four project types, all based in the United States:〔(TerraPass project portfolio )〕 Wind energy. TerraPass purchases Green-e certified wind RECs from wind farms, and calculates the carbon reduction from these RECs based on the EPA eGRID methodology.〔(EPA eGRID database )〕 Wind farms bring about a reduction in greenhouse gas emissions by displacing electricity that would otherwise come from burning fossil fuels such as coal. Farm methane digesters (or "Farm Power"). TerraPass funds emissions reductions from digesters that collect the methane from animal manure on dairy farms and burn it, often generating renewable energy in the process. Methane is a greenhouse gas with a global warming potential about 23 times that of carbon dioxide. Landfill methane flaring. TerraPass funds reductions from landfill methane flaring, a method similar to farm methane digesters, in which the methane is instead collected from decomposing garbage. Clean energy. TerraPass funds wind energy after calculating environmental gains with the “carbon profile” of the electricity grid where the energy is produced. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「TerraPass」の詳細全文を読む スポンサード リンク
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