Final Draft as distributed to governments on 17 December 2013


This final draft Report, dated 17 December 2013, of the IPCC Working Group III contribution to the IPCC 5th Assessment Report "Climate Change 2014: Mitigation of Climate Change" was accepted but not approved in detail by the 12th Session of Working Group III and the 39th Session of the IPCC on 12 April 2014 in Berlin, Germany. It consists of the full scientific, technical and socio-economic assessment undertaken by Working Group III.

The Report has to be read in conjunction with the document entitled “Climate Change 2014, Mitigation of Climate Change. Working Group III - Contribution to the IPCC 5th Assessment Report - Changes to the underlying Scientific/Technical Assessment” to ensure consistency with the approved Summary for Policymakers” (WGIII: 12th/Doc. 2a, Rev.2) and presented to the Panel at its 39th Session. This document lists the changes necessary to ensure consistency between the full Report and the Summary for Policymakers, which was approved line-by-line by Working Group III and accepted by the Panel at the above-mentioned Sessions.

This final draft Report, dated 17 December 2013, (including text, figures and tables) has undergone copyediting as well as correction of errors as described in the document List of Substantive Edits. The final version is available at:


Errata and changes PDF
Changes to the Underlying Scientific/Technical Assessment 0.2 Mb
Typographical errors for Summary for Policymakers 0.5 Mb
Summary for Policymakers April version - errata 0.1 MB
Summary for Policymakers May version - errata 0.1 MB
List of Substantive Edits 0.4 MB
Final Government Distribution - errata 0.1 MB


Ch Title PDF
Summary for Policymakers - April 2014
Summary for Policymakers - May 2014
Technical Summary
1 Introductory Chapter
2 Integrated Risk and Uncertainty Assessment of Climate Change Response Policies
3 Social, Economic and Ethical Concepts and Methods
4 Sustainable Development and Equity
5 Drivers, Trends and Mitigation
6 Assessing Transformation Pathways
7 Energy Systems
8 Transport
9 Buildings
10 Industry
11 Agriculture, Forestry and Other Land Use (AFOLU)
12 Human Settlements, Infrastructure and Spatial Planning
13 International Cooperation: Agreements and Instruments
14 Regional Development and Cooperation
15 National and Sub-National Policies and Institutions
16 Cross-cutting Investment and Finance Issues
Annex I: Glossary
Annex II: Metrics and Methodology
Annex III: Technology-specific cost and performance parameters