This Synthesis Report with its Summary for Policymakers is the fourth and final part of the Third Assessment Report (TAR) of the Intergovernmental Panel on Climate Change (IPCC). It draws together and integrates for the benefit of policy makers, and others, and in response to questions identified by governments and subsequently agreed by the IPCC, information that has been approved and/ or accepted by the IPCC.1 It is intended to assist governments, individually and collectively, in formulating appropriate adaptation and mitigation responses to the threat of human-induced climate change.
The Synthesis Report is based mainly on the contributions of the three IPCC Working Groups to the TAR, but also uses information from earlier IPCC assessments, Special Reports, and Technical Papers. It follows the question and answer format, and is in two parts: a Summary for Policymakers and a longer document that contains expanded responses to each of the questions posed by governments. The Summary for Policymakers references the appropriate paragraphs in the longer report, while the longer report contains references to the source of the material on which the response is based -- that is, the Summaries for Policymakers and chapters from previously approved and accepted Working Group contributions to the TAR and earlier IPCC reports and Technical Papers (see the accompanying box for cross-referencing nomenclature).
The procedures for approving the Summary for Policymakers and adopting the balance of the Synthesis Report were formalized by the IPCC at its Fifteenth Session (San Jose, Costa Rica, 15-18 April 1999). A draft of the Synthesis Report and its Summary for Policymakers was prepared by a team of lead authors, who were involved in preparation of the TAR, and submitted for simultaneous government/ technical and expert review. The revised drafts were circulated to governments in a final distribution before approval/ adoption at the IPCC's Eighteenth Session (Wembley, United Kingdom, 24- 29 September 2001).
The Synthesis Report consists of nine policy-relevant questions:
We take this opportunity to thank:
The Synthesis Report with its Summary for Policymakers is published here in a single volume together with the Summaries for Policymakers and Technical Summaries of the Working Group contributions to the TAR, as well as a comprehensive, consolidated glossary. The Synthesis Report is also available in Arabic, Chinese, French, Russian, and Spanish -- the other official languages of the IPCC. The Synthesis Report is also available as a stand-alone publication, as are discrete brochures consisting of the Summaries for Policymakers, Technical Summaries, and glossaries of the respective Working Group reports. The full English text of all four volumes comprising the Third Assessment Report has been published in both print and digital form, with searchable versions available on cd-rom and at http://www.ipcc.ch.
R. T. Watson
IPCC Chair
N. Sundararaman
IPCC Secretary
IPCC Assessments Cited in the Synthesis Report |
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Qx.x |
Relevant paragraph in the underlying Synthesis Report | SPM | Summary for Policymakers |
WGI TAR | Working Group I contribution to the Third Assessment Report | TS | Technical Summary |
WGII TAR | Working Group II contribution to the Third Assessment Report | ES | Executive Summary |
WGIII TAR | Working Group III contribution to the Third Assessment Report | GP | Guidance Paper |
SRES | Special Report on Emissions Scenarios | TP | Technical Paper |
SRLULUCF | Special Report on Land Use, Land-Use Change, and Forestry | ||
SRTT | Special Report on the Methodological and Technological Issues in Technology Transfer | ||
SRAGA | Special Report on Aviation and the Global Atmosphere | ||
DES GP | Guidance Paper on Development, Equity, and Sustainability | ||
IPCC TP4 | Technical Paper on Implications of Proposed CO2 Emissions Limitations | ||
IPCC TP3 | Technical Paper on Stabilization of Atmospheric Greehouse Gases: Physical, Biological, and Socio-Economic Implications | ||
WGII SAR | Working Group II contribution to the Second Assessment Report |
Other reports in this collection |