Published on Pew Center on Global Climate Change (http://www.pewclimate.org)

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4A. US Greenhouse Gas Emissions by Gas

In the year 2004, the United States emitted over seven billion metric tons of greenhouse gases (CO2E). Carbon dioxide accounted for the largest percentage of greenhouse gases (83%), followed by methane (9%), nitrous oxide (5%), and the high global warming potential gases (2%). To see the sources of these greenhouse gases by economic sectors, go to figure 4B [1].

US GHG Em Gas

Go to Figure 4B [1]

Back to United States Emissions Home [2]

Back to Facts and Figures Home [3]

Source URL: http://www.pewclimate.org/global-warming-basics/facts_and_figures/us_emissions/usghgemgas.cfm

Links:
[1] http://www.pewclimate.org/global-warming-basics/facts_and_figures/us_emissions/usghgemsector.cfm
[2] http://www.pewclimate.org/global-warming-basics/facts_and_figures/us_emissions
[3] http://www.pewclimate.org/global-warming-basics/facts_and_figures