CO2 Now

IPCC AR4 Working Group I Report:

"The Physical Science Basis"

Provided at CO2Now.org:

• Table of Contents
• Links to each section of the report

Front Material

Summary for Policymakers

Technical Summary

Frequently Asked Questions (extracted from chapters below)

Chapter 1

Historical Overview of Climate Change Science

Chapter 2 

Changes in Atmospheric Constituents and in Radiative Forcing

Chapter 3 

Observations: Surface and Atmospheric Climate Change

• Supplementary Material: Appendix 3.B. Techniques, Error Estimation and Measurement Systems (including references)

Chapter 4 

Observations: Changes in Snow, Ice and Frozen Ground

Chapter 5 

Observations: Oceanic Climate Change and Sea Level

Chapter 6 

Palaeoclimate

• Supplementary Material: Appendix 6.A. Glossary for Terms Specific to Chapter 6  

Chapter 7 

Couplings Between Changes in the Climate System and Biogeochemistry

Chapter 8 

Climate Models and their Evaluation

• Supplementary Material: Appendix 8.A. Supplementary Figures and Tables 

Chapter 9 

Understanding and Attributing Climate Change

• Supplementary Material: Appendices & References 

Chapter 10 

Global Climate Projections

• Supplementary Material: Supplementary Details, Tables & Figures
• Figures Showing Individual Model Results for Different Climate Variables

Chapter 11 

Regional Climate Projections

• Supplementary Material: Appendix 11. Tables, Figures, References 

Notes

• Annexes (1)Glossary, (2)Authors, (3)Reviewers, (4)Acronyms
• Index
• Uncertainty Guidance Note for the Fourth Assessment Report
• Errata for the Working Group I Fourth Assessment Report
• Figures