Note that it helps enormously to
think about attribution in contexts that don't have anything to do with anthropogenic causes.
Yet there does not appear to be any discussion
about attribution in the BEST studies, and there is already some criticism about its methodology.
Given the condition of the «Salvator Mundi,» and the fact that it was undocumented in the artist's lifetime, some scholars have
reservations about the attribution to Leonardo.
In summary, there is little new about climate science in the report, and nothing at all
new about attribution of past warming and extreme weather events to human activity, projections of future warming and its effects, or potential for catastrophic changes.
Are the models capable of giving us a correct answer in a probabilistic
sense about the attribution of 20th century climate change, or sensitivity to CO2 doubling?