US National Assessment of the Potential Consequences of Climate Variability and Change
A detailed overview of the consequences of climate change and mechanisms for adaptation, published in 2000
National Assessment Home
Synthesis Team Reports
Educational Resources

USGCRP logo & link to home

Updated 12 October, 2003

Climate Action Report 2002
The United States of America's Third National Communication Under the United Nations Framework Convention on Climate Change
Chapter 6: Impacts and Adaptation
Response to Public and Agency Comments
May 2002


Jump to top of page

Provided below are links to responses to comments on a draft version of Chapter 6 of Climate Action Report 2002.  The comments were received through a Federal Register process.   Dr. Michael MacCracken, senior scientist in the Office of the US Global Change Research Program, prepared the responses as input to the process of preparing and reviewing the interagency report. On some questions, he consulted with:

The responses represent Dr. MacCracken's views.  Unlike the final version of Chapter 6, these responses have not been fully reviewed or officially adopted by the USGCRP agencies.

List of Those Who
Submitted Comments

American Petroleum Institute (API)

Climate Action Network -- two sets of comments were submitted; for the general comments, they are differentiated as Climate Action Network (CAN) and Climate Action Network Two (CAN2)

Department of Interior (DOI)

Federal Emergency Management Agency (FEMA)

Ford Motor Company

General Motors

Dr. Patrick J. Michaels
Professor of Environmental Sciences and State Climatologist for Virginia
Clark Hall
University of Virginia
Charlottesville VA 22903
Telephone (804) 924-0549
Fax (804) 295-7549


Notes on Abbreviations Used

IPCC -- Intergovernmental Panel on Climate Change, with references made to their various Working Group (WG) reports, including Working Group I (WG I) on climate change, Working Group (WG II) on Impacts and Adaptation, and Working Group III (WG III) on Mitigation, and generally referring to the findings of their Third Assessment Reports (TAR) approved and published by Cambridge University Press in 2001.

NCDC -- NOAA's National Climatic Data Center, which is the official climate data repository for the US.

NRC -- National Research Council, with reference generally to their 2001 report entitled Climate Change Science that was prepared to evaluate the IPCC WG I TAR and is available from the National Academy Press.

UNFCCC -- United Nations Framework Convention on Climate Change, which was negotiated at the Rio Conference and 1992 and subsequently approved by the US Senate. Under this agreement, the US is obligated to submit a Climate Action Report about every four years. This chapter is being prepared as a contribution to the Third Climate Action Report (CAR).

USNA -- US National Assessment, generally referring to the Overview and Foundation reports prepared by the National Assessment Synthesis Team (NAST) and released by the President on November 11, 2000 and subsequently published by Cambridge University Press. In addition to the national level study, the set of National Assessment activities included a set of five sectoral assessments and sixteen regional assessments (plus several additional regional workshops).


The US National Assessment of the Potential Consequences of Climate Variability and Change was published in 2000 by the US Global Change Research Program (USGCRP). For information from more recent assessments from the USGCRP, see the National Climate Assessment section of