UN Intergovernmental Panel on Climate Change - 6 Assessment Report (March 2023)

the full PDF version of the report is here: https://report.ipcc.ch/ar6syr/pdf/IPCC_AR6_SYR_SPM.pdf

see also:

Headline Statements from the IPCC AR6 Synthesis Report, released on March 20, 2023.

UN Climate Report: Scientists release survival guide to avert climate change - BBC report https://www.bbc.com/news/science-environment-65000182