Judged:
1
First, "The range is estimated as 1.5C to 4.5C for a doubling of carbon dioxide concentration."
So he starts with a 'strawman'
Secondly, studies for the temperature drop from Mt. Pinatubos eruption confirm the climate sensitivity being about 1.5. or about the central value for the IPCC report.
https://e-reports-ext.llnl.gov/pdf/319378.pdf
“… Perhaps real-world climate sensitivity is very much below the IPCC’s estimates. Perhaps, therefore, there is no ‘climate crisis’ at all.…”
And perhaps pigs will fly....
"The correct policy approach to a non-problem is to have the courage to do nothing."
And the correct policy approach when you find yourself rushing towards a cliff is to apply the brakes, not think 'perhaps' you will fly gently to the ground.
