Sol
A reasonable approach except you are in a dichotomy....only one "side" is science based and not one climate scientist I am aware is claiming predictions written in stone as the largest variable of all is what emissions of fossil carbon humans will produce......
The only thing that can be done is run scenarios - as MIT has done
http://www.globalwarmingisreal.com/...imate-change-is-going-to-be-twice-as-extreme/
showing say on the the one extreme what burning all the available fossil fuels would produce as one extreme and where the climate physics of that lead.....
and none would put a narrow time frame on the earth getting to that particular climate scenario as there is hysteresis and the reaction of say methane is very much uncertain beyond "not likely to be favourable".
Policy will determine the fossil fuel output of carbon and science has to the best of it's ability with current models stated that limiting fossil output so the climate stabilizes around 2 degrees C above the Holocene norms would not trigger the grave consequences to agriculture and biome that say a 6C rise would.
So that is policy calls guided by science....
That dialogue HAS occurred but has been interrupted significantly by paid for doubt foundations and bloggers whose activities have been clearly funded by the likes of Exxon and others whose self interest is in limiting policy of carbon reduction.
There is no doubt that has occurred, it is extensively documented to the point of the Royal Society and Exxon's own board members crying foul.
That is the "side" you are now proposing a rational dialogue with...
In my view it's not going to happen and the likes of Curry giving them the time of day simply tells the uninformed that there must be some truth in their denial.
It appears you know there is not ....it also appears you know that the development of policy towards the change is where the issue lies not in the underlying science.
Why then would you invite the most vociferous deniers to the table and lend their purposefully warped viewpoint any credence?
It does nothing toward "meaningful dialogue" over policy.....it simply strengthens those that for whatever self interested or outright deluded reasons prefer to do little or nothing.
it feeds the anti-science stance of the right wing, the AGW deniers and the anti-evos are often one and the same bedfellows.
Why ever give cranks the time of day....???
"Sides" imply equivalency, and in this case there is none from a climate science standpoint.....the verdict is in ...we are altering the climate rapidly by continued use of fossil fuels.
Should those denying verdict that be given a bully pulpit to attack it?
There is a huge difference between the mainstream climate science community and the sometimes idiotic tree huggers, NIMBYs who are equally problematic in achieving policy goals.
Even the likes of the Greenpeace founder turned pro-nuclear advocate has despaired of changing mindsets......
So why ever would you think the equally dogmatic anti-AGW crowd would be open to "dialogue"?
Instead they will just use the likes of Curry's nonsense to drive to try and drive a wedge into the consensus which does exist and which you acknowledge as far as the science goes.
There IS no consensus on policy and much of that lack must be laid at the feet of the denier industry funded by fossil fuel interests.
The rest on venal politicians and those without the balls to actually act.
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Bit pattern....+1.
Case in point is the inverted effect of solar activity - jumped on by the denidiots when in reality they don't understand it works in both directions and is a magnitude below C02/water vapour in effect.
it is very good science, it will effect modelling, it has no effect on the AGW reality.