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  2. Climate Change

Climate Change Legislative Analyses

At the request of Congress, EPA provides economic analyses of potential climate change mitigation programs and strategies.

  • American Power Act of 2010 in the 111th Congress (June 2010)
  • Interagency Report on International Competitiveness and Emission Leakage (December 2009)
  • Clean Energy Jobs and American Power Act of 2009 (October 2009)
  • American Clean Energy and Security Act of 2009 (June 2009)
  • Waxman-Markey Discussion Draft of the American Clean Energy and Security Act of 2009 (April 2009)
  • Lieberman-Warner Climate Security Act of 2008 (March 2008)
  • Low Carbon Economy Act of 2007 (Part 2) (January 2008)
  • Low Carbon Economy Act of 2007 (Part 1) (September 2007)
  • Climate Stewardship and Innovation Act of 2007 (July 2007)
  • Clean Air Planning Act of 2005 (October 2005)

American Power Act of 2010 in the 111th Congress (June 2010)

 Legislation:

 American Power Act, Discussion Draft

 Analysis:
  • EPA Analysis of the American Power Act of 2010
  • Appendix to American Power Act analysis
  • Data Annex to American Power Act analysis (zip) (28.6 MB)
    • *Note: this version was updated on June 30, 2010 to present a corrected version of ADAGE "Scenario 5 – No International Offsets" that fixes a problem with the model code that overly limited nuclear power in this scenario. This version also corrects a reporting error in ADAGE reference case average annual household energy expenditures.

Interagency Report on International Competitiveness and Emission Leakage (December 2009)

 Legislation:

 American Clean Energy and Security Act of 2009 (H.R. 2454)

 Analysis:
  • The Effects of H.R. 2454 on International Competitiveness and Emission Leakage in Energy-Intensive Trade-Exposed Industries: An Interagency Report Responding to a Request from Senators Bayh, Specter, Stabenow, McCaskill, and Brown
  • Data Annex to the Interagency Report on International Competitiveness and Emission Leakage analysis (zip)

Clean Energy Jobs and American Power Act of 2009 (October 2009)

 Legislation:

 Clean Energy Jobs and American Power Act of 2009 (S. 1733)

 Analysis:
  • Economic Impacts of S. 1733: The Clean Energy Jobs and American Power Act of 2009

American Clean Energy and Security Act of 2009 (June 2009)

 Legislation:

 American Clean Energy and Security Act of 2009 (H.R. 2454)

 Analysis:
  • EPA Analysis of the American Clean Energy and Security Act of 2009
  • Appendix (June 2009)
  • Data Annex to the American Clean Energy and Security Act of 2009 analysis (zip)
 Supplemental Analysis:
  • Cover letter to Senator Voinovich from EPA Administrator Lisa P. Jackson
  • EPA January 2010 Supplemental Analysis of the American Clean Energy and Security Act of 2009
  • Appendix to Supplemental analysis
  • Data Annex to the American Clean Energy and Security Act of 2009 supplemental analysis (zip)

Waxman-Markey Discussion Draft of the American Clean Energy and Security Act of 2009 (April 2009)

 Legislation:

 Waxman-Markey Discussion Draft of the American Clean Energy and Security Act of 2009

 Analysis:
  • Ways in Which Revisions to the American Clean Energy and Security Act Change the Projected Economic Impacts of the Bill
  • Waxman-Markey Discussion Draft Preliminary Analysis: EPA Preliminary Analysis of the American Clean Energy and Security Act of 2009
    • *Note: This version was updated on April 29, 2009, to reflect minor changes to slides 8, 14, and 29.
  • Executive Summary
  • Appendix (April 2009)
    • *Note: This version was updated on April 29, 2009, to reflect minor changes to slides 20, 47, 50, 52, 53, 56, 65, 66, 68–70, 74, and 82.
  • Data Annex to the Waxman-Markey Discussion Draft of the American Clean Energy and Security Act analysis (zip)

Lieberman-Warner Climate Security Act of 2008 (March 2008)

 Legislation:

 Cover Letter Requesting the Analysis from Senators Lieberman and Warner

 Request for Analysis:

 Lieberman-Warner Climate Security Act of 2008 (S.3036)

 Analysis:
  • Cover Letter to Senator Lieberman from EPA Principal Deputy Assistant Administrator, Robert J. Meyers (March 2008)
  • Cover Letter to Senator Warner from EPA Principal Deputy Assistant Administrator, Robert J. Meyers
  • EPA Analysis of the Climate Security Act of 2008 (S.2191)
    • *Note: This version was updated on May 5, 2008, to reflect minor changes to slides 25, 60, 74, 79, 82, 155, 156, 165, 166, and 167. Slides 189–192 were added to cover power sector natural gas issues and global carbon dioxide concentrations.
  • Data Annex to the Lieberman-Warner Climate Security Act analysis (zip)

Low Carbon Economy Act of 2007 (Part 2) (January 2008)

 Legislation:

 Low Carbon Economy Act of 2007 (S.1766) (pdf)

 Analysis:
  • Cover Letter to Senator Bingaman from EPA Principal Deputy Assistant Administrator, Robert J. Meyers (January 2008)
  • Cover Letter to Senator Specter from EPA Principal Deputy Assistant Administrator, Robert J. Meyers (January 2008)
  • Part 2 of EPA's S.1766 Analysis: EPA Analysis of the Low Carbon Economy Act of 2007
  • Appendix (January 2008)
  • Data Annex to the Low Carbon Economy of 2007 (Part 2) Act analysis (zip)

Low Carbon Economy Act of 2007 (Part 1) (September 2007)

 Legislation:

 Low Carbon Economy Act of 2007 (S.1766) (pdf)

 Request for Analysis:

 Cover Letter Requesting the Analysis from Senators Bingaman and Specter

 Analysis:
  • Cover Letter to Senator Bingaman from EPA Principal Deputy Assistant Administrator, Robert J. Meyers (September 2007)
  • Cover Letter to Senator Specter from EPA Principal Deputy Assistant Administrator, Robert J. Meyers (September 2007)
  • Part 1 of EPA's S.1766 Analysis: EPA Analysis of Bingaman-Specter Request on Global CO2 Concentrations

Climate Stewardship and Innovation Act of 2007 (July 2007)

 Legislation:

 Climate Stewardship and Innovation Act of 2007 (S.280) (pdf)

 Request for Analysis:

 Cover Letter requesting the analysis from Senators Lieberman and McCain

 Analysis:
  • Cover Letter to Senator Lieberman from EPA Principal Deputy Assistant Administrator, Robert J. Meyers (July 2007)
  • Cover Letter to Senator McCain from EPA Principal Deputy Assistant Administrator, Robert J. Meyers
  • EPA Analysis of the Climate Stewardship and Innovation Act of 2007
  • Data Annex to the Climate Stewardship and Innovation Act of 2007 analysis (zip)

Clean Air Planning Act of 2005 (October 2005)

 Legislation:

 Clean Air Planning Act of 2003 (S.843)

 Analysis:
  • Multi-Pollutant Legislative Analysis: The Clean Air Planning Act (Carper, S.1843 in 108th)

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Last updated on March 28, 2025
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