Greenhouse+Gases

=Greenhouse Gases= //** GWP for 100-year time horizon.//
 * Greenhouse Gases || Chemical Formula || Pre-industrial Concentration || Atmospheric lifetime in years || anthropogenic sources || Global warming potential ||
 * Carbon Dioxide || co2 || 278,000 || Variable || Fossil Fuel combustion land use converstion cement production || 1 ||
 * Methane || CH4 || 700 || 12.2+/-3 || Fossil fuels Rice paddies Waste dumps Livestock || 21 ||
 * Nitrous Oxide || N2O || 275 || 120 || Fertilizer Industrial processes Combustion || 310 ||
 * CFC-12 || CCI2F2 || 0 || 102 || Liquid coolants Foams || 6,200-7,100 ||
 * HCFC-22 || CF4 || 0 || 50,000 || Liquid coolants || 1,300-1,400 ||
 * Perfluoromethane || SF6 || 0 || 50 || production of aluminum || 6,500 ||
 * Sulfur hexafluoride || SF6 || 0 || 3,200 || Dielectric Fluid || 23,900 ||