Climate Change 2013:
The Physical Science Basis

IPCC Working Group I Contribution to AR5

The Twelfth Session of Working Group I (WGI-12) was held from 23 to 26 September 2013 in Stockholm, Sweden. At the Session, the Summary for Policymakers (SPM) of the Working Group I contribution to the IPCC Fifth Assessment Report (WGI AR5) was approved and the underlying scientific and technical assessment accepted.
Summary For Policymakers PDF - 28 Pages - 2.8 MB Full WGI AR5 Report PDF - 1535 Pages - 375 MB

SPM Translations into UN languages

SPM Translations into other languages

Video on the Working Group I Contribution

The IPCC has produced a video on its Fifth Assessment Report (AR5). The first part on the Working Group I contribution to AR5 is now available. The other parts will be released with the successive approvals of the other two Working Group contributions and the  Synthesis Report in the course of 2014.

- Worldwide Scientific Collaboration -







For more details visit the Background pages