I just love this quote
The outlook for the climate over the 21st Century is highly uncertain. There is a word in the English language to express high uncertainty. That word is "ignorance". And ignorance is not a basis for responsible government action
This is part of appendix 2 of the paper produced by Drs. J. Scott Armstrong and Kesten C. Green which I referred to here. The appendix of the paper can be found at the end of here. I recommend reading it.