GEOG 438W
Human Dimensions of Global Warming

US Transportation Emissions

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Given car ownership rates for the U.S., transportation emissions are a major concern in this country. Transportation is responsible for 29 percent of the nation’s emissions as demonstrated in the next image. This sector is the fastest growing, accounting for almost half (48 percent) of the net increase in U.S. emissions since 1990. This rapid growth and sizeable portion of the overall emissions profile also means that there is ample opportunity for reductions.

chart showing % US greenhouse emissions. See text alternative below
Percentage of U.S. greenhouse gas emissions by sector 1990-2017.
Click here for a text version of this image

The image is a pie chart described in a table below

Percentage of U.S. greenhouse gas emissions, 1990-2017
Sector Producing GHG Percentage
Residential and Commercial Electricity 31%
Transportation 29%
Industry 30%
Agriculture 10%

Credit: Inventory of the US Greenhouse Gas Emissions and Sinks: 1990-2017 by the US Environmental Protection Agency (2019). (Public Domain)