Executive Summary

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Residential 338.3 357.8 325.5 282.5 329.7 345.4 319.6 Commercial 217.4 223.5 220.4 196.7 221.0 231.4 225.7 U.S. Territories 27.9 49.9 41.5 43.6 43.5 41.2 41.2 Non-Energy Use of Fuels 117.7 138.3 108.5 105.5 122.0 117.2 127.0 Iron and Steel Production & Metallurgical Coke Production 99.7 66.5 59.9 54.2 52.2 57.5 47.9 Natural Gas Systems 37.7 30.1 35.7 35.2 38.5 42.4 42.4 Cement Production 33.3 45.9 32.0 35.1 36.1 38.8 39.6 Petrochemical Production 21.3 27.0 26.3 26.5 26.4 26.5 28.1 Lime Production 11.7 14.6 14.0 13.8 14.0 14.2 13.3 Other Process Uses of Carbonates 4.9 6.3 9.3 8.0 10.4 11.8 10.8 Ammonia Production 13.0 9.2 9.3 9.4 10.0 9.6 10.8 Incineration of Waste 8.0 12.5 10.6 10.4 10.4 10.6 10.7 Urea Fertilization 2.4 3.5 4.1 4.3 4.5 4.8 5.0 Carbon Dioxide Consumption 1.5 1.4 4.1 4.0 4.2 4.5 4.3 Liming 4.7 4.3 3.9 6.0 3.9 3.6 3.8 Petroleum Systems 3.6 3.9 4.2 3.9 3.7 3.6 3.6 Soda Ash Production and Consumption 2.8 3.0 2.7 2.8 2.8 2.8 2.8 Aluminum Production 6.8 4.1 3.3 3.4 3.3 2.8 2.8 Ferroalloy Production 2.2 1.4 1.7 1.9 1.8 1.9 2.0 Titanium Dioxide Production 1.2 1.8 1.7 1.5 1.7 1.7 1.6 Glass Production 1.5 1.9 1.3 1.2 1.3 1.3 1.3 Urea Consumption for Non- Agricultural Purposes 3.8 3.7 4.0 4.4 4.0 1.4 1.1 Phosphoric Acid Production 1.5 1.3 1.2 1.1 1.1 1.0 1.0 Zinc Production 0.6 1.0 1.3 1.5 1.4 1.0 0.9 Lead Production 0.5 0.6 0.5 0.5 0.5 0.5 0.5 Silicon Carbide Production and Consumption 0.4 0.2 0.2 0.2 0.2 0.2 0.2 Magnesium Production and Processing + + + + + + + Wood Biomass and Ethanol Consumption a 219.4 229.8 268.1 267.7 286.3 293.7 277.7 International Bunker Fuels b 103.5 113.1 111.7 105.8 99.8 103.2 110.8 CH4 786.1 685.4 673.4 667.2 659.6 659.4 654.9 Enteric Fermentation 164.2 168.9 168.9 166.7 165.5 164.2 166.5 Natural Gas Systems 196.5 162.1 153.7 155.3 157.9 160.8 160.0 Landfills 179.6 134.3 119.0 120.8 116.7 116.6 115.7 Manure Management 37.2 56.3 63.0 65.6 63.3 62.9 66.3 Coal Mining 96.5 64.1 71.2 66.5 64.6 64.8 60.9 Petroleum Systems 58.3 48.0 50.1 48.4 46.6 44.9 41.5 Wastewater Treatment 15.7 16.0 15.3 15.1 14.9 14.8 14.8 Rice Cultivation 16.0 16.7 14.1 11.3 11.3 11.4 11.2 Stationary Combustion 8.5 7.4 7.1 6.6 8.0 8.1 7.0 Abandoned Underground Coal Mines 7.2 6.6 6.4 6.2 6.2 6.3 6.4 Composting 0.4 1.9 1.9 1.9 2.0 2.1 2.1 Mobile Combustion 5.6 2.8 2.3 2.2 2.1 2.1 2.0 Field Burning of Agricultural Residues 0.2 0.2 0.3 0.3 0.3 0.3 0.3 Petrochemical Production 0.2 0.1 + 0.1 0.1 0.1 0.2 Ferroalloy Production + + + + + + + 6 DRAFT Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990–2015
Silicon Carbide Production and Consumption + + + + + + + Iron and Steel Production & Metallurgical Coke Production + + + + + + + Incineration of Waste + + + + + + + International Bunker Fuels b 0.2 0.1 0.1 0.1 0.1 0.1 0.1 N2O 359.6 361.6 364.0 340.7 335.5 335.5 335.1 Agricultural Soil Management 256.6 259.8 270.1 254.1 250.5 250.0 251.3 Stationary Combustion 11.9 20.2 21.3 21.4 22.9 23.4 23.1 Manure Management 14.0 16.5 17.4 17.5 17.5 17.5 17.7 Mobile Combustion 41.2 35.7 22.8 20.4 18.5 16.6 15.4 Nitric Acid Production 12.1 11.3 10.9 10.5 10.7 10.9 11.6 Wastewater Treatment 3.4 4.4 4.8 4.8 4.9 4.9 5.0 Adipic Acid Production 15.2 7.1 10.2 5.5 3.9 5.4 4.3 N₂O from Product Uses 4.2 4.2 4.2 4.2 4.2 4.2 4.2 Composting 0.3 1.7 1.7 1.7 1.8 1.9 1.9 Incineration of Waste 0.5 0.4 0.3 0.3 0.3 0.3 0.3 Semiconductor Manufacture + 0.1 0.2 0.2 0.2 0.2 0.2 Field Burning of Agricultural Residues 0.1 0.1 0.1 0.1 0.1 0.1 0.1 International Bunker Fuels b 0.9 1.0 1.0 0.9 0.9 0.9 0.9 HFCs 46.6 120.0 154.4 155.9 159.0 166.7 174.1 Substitution of Ozone Depleting Substances c 0.3 99.8 145.4 150.2 154.7 161.3 168.6 HCFC-22 Production 46.1 20.0 8.8 5.5 4.1 5.0 5.0 Semiconductor Manufacture 0.2 0.2 0.2 0.2 0.2 0.3 0.3 Magnesium Production and Processing 0.0 0.0 + + 0.1 0.1 0.1 PFCs 24.3 6.7 6.9 6.0 5.7 5.7 5.2 Semiconductor Manufacture 2.8 3.2 3.4 3.0 2.8 3.2 3.2 Aluminum Production 21.5 3.4 3.5 2.9 3.0 2.5 2.0 SF6 28.8 11.7 9.2 6.8 6.4 6.6 5.8 Electrical Transmission and Distribution 23.1 8.3 6.0 4.8 4.6 4.8 4.2 Magnesium Production and Processing 5.2 2.7 2.8 1.6 1.5 1.0 0.9 Semiconductor Manufacture 0.5 0.7 0.4 0.4 0.4 0.7 0.7 NF3 + 0.5 0.7 0.6 0.6 0.5 0.6 Semiconductor Manufacture + 0.5 0.7 0.6 0.6 0.5 0.6 Total Emissions 6,366.7 7,315.6 6,776.0 6,536.8 6,678.9 6,736.3 6,586.2 LULUCF Emissions d 11.6 24.0 20.7 26.8 19.9 20.4 20.4 LULUCF C Stock Change e,f (460.7) (339.3) (395.8) (414.5) (390.3) (389.2) (386.8) LULUCF Sector Net Total g (449.1) (315.3) (375.1) (387.7) (370.4) (368.8) (366.4) Net Emissions (Sources and Sinks) 5,917.6 7,000.3 6,400.9 6,149.1 6,308.5 6,367.5 6,219.8 Notes: Total emissions presented without LULUCF. Net emissions presented with LULUCF. + Does not exceed 0.05 MMT CO2 Eq. a Emissions from Wood Biomass and Ethanol Consumption are not included specifically in summing Energy sector totals. Net carbon fluxes from changes in biogenic carbon reservoirs are accounted for in the estimates for Land Use, Land-Use Change, and Forestry. b Emissions from International Bunker Fuels are not included in totals. c Small amounts of PFC emissions also result from this source. d LULUCF emissions include the CO2, CH4, and N2O emissions from Peatlands Remaining Peatlands; CH4 and N2O emissions reported for Non-CO2 Emissions from Forest Fires, Non-CO2 Emissions from Grassland Fires, and Coastal Wetlands Remaining Coastal Wetlands; CH4 emissions from Land Converted to Coastal Wetlands; and N2O Fluxes from Forest Soils and Settlement Soils. <strong>Executive</strong> <strong>Summary</strong> ES-7
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Page 5: 1 2 3 Figure ES-2: Annual Percent C
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Page 11 and 12: 1 2 3 4 5 6 7 8 9 or “end-use”
Page 13 and 14: 1 2 3 4 5 6 7 8 9 10 11 12 research
Page 15 and 16: 1 Figure ES-9: 2015 Sources of N2O
Page 17 and 18: 1 2 3 4 5 6 7 8 9 10 11 12 ES.3 Ove
Page 19 and 20: Cropland Remaining Cropland, Land C
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Page 23 and 24: 1 2 3 4 5 guidelines, it is also us
Page 25 and 26: 1 2 Figure ES-14: U.S. Greenhouse G
Page 27 and 28: 1 Figure ES-16: 2015 Key Categories

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