United In Science 2021

This report has been compiled by the World Meteorological Organization (WMO) on behalf of the United Nations Secretary-General to bring together the latest climate science related updates from a group of key global partner organizations: WMO, Global Carbon Project (GCP), Intergovernmental Panel on Climate Change (IPCC), United Nations Environment Programme (UNEP), World Health Organization (WHO), the Met Office (United Kingdom, UK) and the jointly sponsored WMO/Intergovernmental Oceanographic Commission (IOC) of UNESCO/International Science Council (ISC) and World Climate Research Programme (WCRP). The content of each chapter is attributable to each respective entity.