The Working Group I contribution to the Sixth Assessment Report is the most up-to-date physical understanding of the climate system and climate change, bringing together the latest advances in climate science, and combining multiple lines of evidence from paleo-climate, observations, process understanding, and global and regional climate simulations.
See the IPCC Press Conference presenting the Summary for Policymakers of #IPCC’s next #ClimateReport, Climate Change 2021: the Physical Science Basis:
Continue reading: https://www.ipcc.ch/2021/08/05/press-conference-details-wgi-ar6/