IPCC Special Report On Global Warming

https://www.ipcc.ch/2018/10/08/summary-for-policymakers-of-ipcc-special-report-on-global-warming-of-1-5c-approved-by-governments

Please include the information listed below -

What happened? -When did it happen? -Who or what caused it? -What did they do about it? -What did they do to repair it?