Scientists are observing changes in the Earth's climate in every region & across the whole climate system, says the IPCC's latest ClimateReport.
The Working Group I contribution to the Sixth Assessment Report addresses 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 paleoclimate, observations, process understanding , and global and regional climate simulations.
Disclaimer: The Summary for Policymakers (SPM) is the approved version from the 14th session of Working Group I and 54th Session of the Intergovernmental Panel on Climate Change and remains subject to final copy-editing and layout.
The Technical Summary (TS) and full report chapters are the Final Government Distribution versions, and remain subject to revisions following the SPM approval, copy-editing, and layout.









