Leon Simons @leonsimons.com · 21d

Small point. You phrase it like Hansen is some lone outlier and ignore all the coauthors of recent papers (while you e.g. mention Norman Loeb from NASA CERES as a coauthor of another paper. Norman was also a coauthor of our Global warming in the pipeline paper, showing high climate sensitivity)

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Leon Simons · 21d

It's the combination of evidence that points towards high climate sensitivity in the current climate (paleo evidence, incl Cenozoic era, LGM and Holocene; understanding of GHG & aerosols over past 275 years; NASA CERES data; temp data and more) See our 2023 paper: academic.oup.com/oocc/article...