Sources of Greenhouse Gas Emissions | Greenhouse Gas (GHG) Emissions

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Pie chart of total U.S. greenhouse gas emissions by economic sector in 2017. 28 percent is from electricity, 29 percent is from transportation, 22 percent is from industry, 12 percent is from commercial and residential, and 9 percent is from agriculture.Total Emissions in 2017 = 6,457 Million Metric Tons of CO2 equivalent. Percentages may not add up to 100% due to independent rounding.

* Land Use, Land-Use Change, and Forestry in the United States is a net sink and offsets approximately 11 percent of these greenhouse gas emissions, not included in total above. All emission estimates from the Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990–2017.

Larger image to save or printGreenhouse gases trap heat and make the planet warmer. Human activities are responsible for almost all of the increase in greenhouse gases in the atmosphere over the last 150 years.1 The largest source of greenhouse gas emissions from human activities in the United States is from burning fossil fuels for electricity, heat, and transportation.

EPA tracks total U.S. emissions by publishing the Inventory of U.S. Greenhouse Gas Emissions and Sinks. This annual report estimates

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