That's an interesting exercise thanks for sharing the results!  Did you trying moving every lever in the direction to reduce the temp - from the dynamic modeling talk I assume they dont add up.  What is that number?  (I guess I can do myself at this point .....)  Will be back with and answer.

Yes, and that is the type of combination scenario I need to investigate next.

Thanks Ellie

Another thing to be careful of here is that the real world difficulty/cost/effort of pulling each lever is not equal...

Some of my students also toyed around with moving every slider (including all details) and got to 0.6C or so.  They were more just playing around than anything, but it was a good demonstration that we have already locked in a certain amount of extra energy that will take a long time to dissipate.  

I have tried multiple scenarios using individual levers and levers in combination to determine impact on temperature. I discovered that on many of the strategies there is an initial impact on lowering temperature, but at a certain point, the amount of impact on temperature decreases or stagnates regardless of how much more of that strategy is employed. In economic terms, this would relate to "marginal utility", or the amount of benefit that is gained relative to the amount of investment in the strategy. Having witnessed this through multiple scenarios, I started using levers only to the point that it started to result in diminishing marginal utility. In real terms, this would be targeting investment, taxing, etc. only to the point of diminishing marginal utility, and spreading investment, taxing, etc. over multiple strategies that would produce the most efficient return in terms of reduction of temperature.