The Working Group I contribution to the IPCC Fifth Assessment Report (WGI AR5) Climate Change 2013: The Physical Science Basis was prepared following the IPCC Principles and Procedures, as outlined in the graphic.
![](https://www.climatechange2013.org/wp-content/uploads/2022/10/Screenshot-2022-10-26-at-10.20.47-PM-997x1024.png)
The Working Group I contribution to the IPCC Fifth Assessment Report (WGI AR5) Climate Change 2013: The Physical Science Basis was prepared following the IPCC Principles and Procedures, as outlined in the graphic.