Scientific Assessment
2021
Climate Change 2021: The Physical Science Basis
Intergovernmental Panel on Climate Change (IPCC)
Summary
Working Group I assessment of the physical climate system: observations, attribution, climate sensitivity, regional change and future projections. Includes an interactive atlas of regional information.
Original summary written for The Free Degrees. Not an official abstract.
Key themes
Observed changes across the climate system
Human influence on warming
Regional climate information
Findings
Findings are not restated here. Please read them in the original source, where they appear with their stated confidence and context.
Citation
IPCC (2021). Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press.