The Synthesis Report is based on the content of the three Working Group Assessment Reports: WGI - The Physical Science Basis, WGII - Impacts, Adaptation and Vulnerability, WGIII - Mitigation of Climate Change, and the three Special Reports: Global Warming of 1.5°C, Climate Change and Land, The Ocean and Cryosphere in a Changing Climate.
Read the report here: www.ipcc.ch/report/ar6/syr/