The primary sources of greenhouse gas emissions by economic sector in the United States are:
Greenhouse Gas Emissions and Sinks: 1990–2021. All emission estimates from the Inventory of U.S. This net sink is not shown in the above diagrams. Land Use, Land-Use Change, and Forestry in the United States is a net sink and offsets 12% of these greenhouse gas emissions. greenhouse gas emissions. More information is also in the electricity end-use emissions section of this page. Also, if emissions from electricity use are allocated to the industrial end-use sector, industrial activities account for a much larger share of U.S. Greenhouse gas emissions from commercial and residential buildings increase substantially when emissions from electricity end-use are included, due to the relatively large share of electricity use (e.g., heating, ventilation, and air conditioning lighting and appliances) in these sectors. Percentages may not add up to 100% due to independent rounding. Total Emissions in 2021 are 6,340 Million Metric Tons of CO₂ equivalent.
