Nevada Statewide Greenhouse Gas Emissions Inventory and Projections

Nevada Statewide Greenhouse Gas Emissions Inventory and Projections, 1990 to 2030 Figure 2-2: Relative Contributions of Gross Emissions by Sector, Select Years 1990 Industrial Processes 4% Waste Management 2% Residential, Commercial, and Industrial 13% 2010 Transportation 28% Waste Management 5% Industrial Processes 7% Residential, Commercial, and Industrial 15% Agriculture 4% Fossil Fuel Industry 1% 2000 Agriculture 3% Industrial Processes 4% Waste Management 3% Electricity Generation 48% Residential, Commercial, and Industrial 12% Agriculture 3% 2013 Fossil Fuel Industry 2% Transportation 31% Electricity Generation 37% Transportation 29% Waste Management 4% Industrial Processes 8% Residential, Commercial, and Industrial 16% Agriculture 3% Fossil Fuel Industry 1% Electricity Generation 48% Fossil Fuel Industry 2% Transportation 33% Electricity Generation 34% This report also looks at the State's GHG emissions in terms of the individual contributions of the gases. Figure 2-3 shows the relative contributions of each GHG to Nevada's gross emissions. Emissions have clearly been dominated by CO₂ with 81 percent of emissions on average and 83 percent of 2013 emissions, followed by CH 4, with 14 percent of emissions on average and 11 percent of 2013 emissions, N₂O, with 3 percent of average emissions and 2 percent of 2013 emissions, and finally HFCS, PFCs, and SF6 which contributed 2 percent on average and 3 percent in 2013. The years in the Figure where CH4 emissions are a much larger portion of total emissions are due to large wildfires (see 1996, 1999, 2005 through 2007, and 2012). 9 Figure 2-3 ignores the effects of carbon sequestration in the forestry sector. 7

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