Fourth Assessment Report (AR4)

Fourth Assessment draft chapters and reviews

 

The table below has links to:

  • the first order draft chapters of the WG II report; review comments following the expert review of the first order drafts and corresponding author responses;
  • 2. the second order draft chapters; and expert (EXPERT) and government (GOVT) review comments on the second order drafts and author responses.

 

In addition, links are provided to:

  • the draft Technical Summary (TS) and Summary for Policymakers (SPM) distributed with the second order draft chapters;
  • the corresponding expert and government review comments and author responses;
  • the final distributed TS and SPM and
  • government comments on the final distributed draft SPM.

 

Please note that:

  • Government comments on the final distributed draft SPM were dealt with through the line by line approval process of the Eighth Working Group II Session that finalised the SPM in conjunction with coordinating lead authors and lead authors. Therefore, these files do not include author responses to these government comments.
  • Under IPCC procedures authors are required to take account of all substantive review comments in both review rounds. Thus responses to individual comments may be influenced by comments from other reviewers.
  • Entries of "- -" indicate that a particular section or chapter was not subject to review.

 

All files are in PDF format unless otherwise stated.

The WGII report outline can be accessed here, and the full list of authors can be accessed here.

 

# Section Title Second Order Draft Second Order Draft Comments Final Draft Final Draft Comments
  Summary for Policymakers PDF EXPERT , GOVT

PDF

PDF

  Technical Summary PDF

EXPERT , GOVT

-

-

 

# Chapter Title First Order Draft First Order Draft Comments Second Order Draft Second Order Draft Comments
  Introduction -

-

PDF

EXPERT , GOVT

1 Assessment of observed changes and responses in natural and managed systems PDF

PDF

PDF

EXPERT , GOVT

2 New assessment methods and the characterisation of future conditions PDF

PDF

PDF

EXPERT , GOVT

3 Freshwater resources and their management PDF

PDF

PDF

EXPERT , GOVT

4 Ecosystems, their properties, goods and services PDF

XLS

PDF

EXPERT , GOVT

5 Food, fibre and forest products PDF

PDF

PDF

EXPERT , GOVT

6 Coastal systems and low-lying areas PDF

PDF

PDF

EXPERT , GOVT

7 Industry, settlement and society PDF

PDF

PDF

EXPERT , GOVT

8 Human health PDF

PDF

PDF

EXPERT , GOVT

9 Africa PDF

PDF

PDF

EXPERT , GOVT

10 Asia PDF

PDF

PDF

EXPERT , GOVT

11 Australia and New Zealand PDF

PDF

PDF

EXPERT , GOVT

12 Europe PDF

PDF

PDF

EXPERT , GOVT

13 Latin America PDF

PDF

PDF

EXPERT , GOVT

14 North America PDF

PDF

PDF

EXPERT , GOVT

15 Polar Regions PDF

PDF

PDF

EXPERT , GOVT

16 Small Islands PDF

PDF

PDF

EXPERT , GOVT

17 Assessment of adaptation practices, options, constraints and capacity PDF

PDF

PDF

EXPERT , GOVT

18 Inter-relationships between adaptation and mitigation PDF

PDF

PDF

EXPERT , GOVT

19 Assessing key vulnerabilities and the risk from climate change PDF

PDF

PDF

EXPERT , GOVT

20 Perspectives on climate change and sustainability PDF

PDF

PDF

EXPERT , GOVT