---
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caption: 'This graph depicts the changes in carbon dioxide (CO<sub>2</sub>) emissions over time as a function of five driving forces: 1) the amount of CO<sub>2</sub> produced per unit of energy (CO<sub>2</sub> intensity); 2) the amount of energy used per unit of gross domestic product (energy intensity); 3) structural changes in the economy; 4) per capita income; and 5) population. Although CO<sub>2</sub> intensity and especially energy intensity have decreased significantly and the structure of the U.S. economy has changed, total CO<sub>2</sub> emissions have continued to rise as a result of the growth in both population and per capita income. (Baldwin and Sue Wing, 2013<tbib>4ae74fe5-51c5-4235-b9ab-3648489a2d9c</tbib>).'
chapter:
  description: ~
  display_name: 'Chapter 27: Mitigation'
  doi: 10.7930/J0C8276J
  identifier: mitigation
  number: 27
  report_identifier: nca3
  sort_key: 270
  title: Mitigation
  url: http://nca2014.globalchange.gov/report/response-strategies/mitigation
chapter_identifier: mitigation
cited_by: []
contributors: []
create_dt: 2013-10-21T14:15:00
description: 'This graph depicts the changes in carbon dioxide (CO<sub>2</sub>) emissions over time as a function of five driving forces: 1) the amount of CO<sub>2</sub> produced per unit of energy (CO<sub>2</sub> intensity); 2) the amount of energy used per unit of gross domestic product (energy intensity); 3) structural changes in the economy; 4) per capita income; and 5) population. Although CO<sub>2</sub> intensity and especially energy intensity have decreased significantly and the structure of the U.S. economy has changed, total CO<sub>2</sub> emissions have continued to rise as a result of the growth in both population and per capita income. (Baldwin and Sue Wing, 2013<tbib>4ae74fe5-51c5-4235-b9ab-3648489a2d9c</tbib>).'
display_name: '27.2: Drivers of U.S. Fossil Emissions'
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title: Drivers of U.S. Fossil Emissions
type: figure
uri: /report/nca3/chapter/mitigation/figure/drivers-of-us-fossil-emissions
url: http://nca2014.globalchange.gov/report/response-strategies/mitigation/graphics/drivers-us-fossil-emissions
usage_limits: Copyright protected. Obtain permission from the original figure source.