The failure of the models of the Anointed to meet any of the criteria required fo scientific validation render their predictions groundless. Considering the partial validation of Dissenter models and near perfect validation of the Cardinal model allows the following statement to be made.
The contribution to warming of the four most abundant greenhouse gases (after water vapor): carbon dioxide, ozone, nitrous oxide and methane from 1750 to the present is at most +0.25⁰C and that the contribution to warming cccoming from the increase in atmospheric carbon dioxide since 1750 to the present is at most +0.1⁰C
This is the best summary assessment of the true situation that the author can make.
Chapter 9 (pp 296-311) covers validation in detail