AR6 Climate Change 2021: The Physical Science Basis
The Intergovernmental Panel on Climate Change (IPCCC) released the Working Group I contribution, Climate Change 2021: The Physical Science Basis, to the Sixth Assessment Report on August 9, 2021.
The Working Group I contribution to the Sixth Assessment Report addresses the most up-to-date physical understanding of the climate system and climate change, bringing together the latest advances in climate science, and combining multiple lines of evidence from paleoclimate, observations, process understanding, and global and regional climate simulations.
“This report reflects extraordinary efforts under exceptional circumstances,” said Hoesung Lee, Chair of the IPCC. “The innovations in this report, and advances in climate science that it reflects, provide an invaluable input into climate negotiations and decision-making.” [IPCCC Press Release, 9 August 2021]
Visit the IPCCC's website for more details and to read the full report.