IPCC: Working Group I extends literature cut-off date

The Intergovernmental Panel on Climate Change (IPCC) has extended the cut-off date for scientific literature to be included in the contribution to the Sixth Assessment Report (AR6) of Working Group I, which deals with the physical science basis of climate change, by four months from 30 September 2020 in the original Working Group I schedule to 31 January 2021.