Al_U_Card, on 2014-April-10, 07:39, said:
And there's the rub. Projections based on models that are incapable of accuracy and veracity in the short term but we must accept their ability to determine our fate in the long run? Richard Tol has refused to sign the latest IPCC projections of doom and gloom as they are concentrating on the alarm-aspect to fuel interest in continuing the gravy-train.
As Daniel says, the real problem is energy availability and expense.
Of course, for the same reason that you can beat the casino in the short term but in the long run you're going to lose. Models are probabilistic and it only works over large sample sizes. It's by no means the models are a lock, but we've got a pretty good idea of what it's likely to be.
However, if you think the models are incorrect, how can you possibly think fiddling around with large scale climate engineering when you don't know what will happen is a good idea? Your line of logic is really this:
A) We're making massive changes to the environment!
B) Experts are incapable of predicting what might happen!
C) Because we cannot predict accurately what might happen, all bad outcomes can be discarded in our risk analysis!
D) Therefore we can do anything we want!
This is completely insane. If you think that the best models we have are unable to predict what can happen, how do YOU know what's going to happen when make significant changes to the atmosphere? MORE caution is called for as the changes are irreversible and the risks are unknown. There is no 'whoops we *****ed up guys and ruined the planet, let's just load from an earlier save' It could be a total disaster and turn the earth into a snowball for all we know if the models are busted. If one of the possible risks you have in your risk analysis is 'world wide warfare and starvation, millions die' and that's not even the worst case scenario, you should be pretty god damn careful about your course of action.
To put it in another context, you're literally proposing that when confronted with a new drug of totally unknown properties, we should instead of a very cautious approach of animal trials, clinical studies, etc, the entire human race should just slam back 14 because what could possibly go wrong.
My observation would be that this school of thought is heavily promoted by the Evangelist movement because they are of the view that C) is actually 'God told us nothing bad can happen' and thus it does make sense to do whatever you want. If you believe that a man in a beard speaks down from space.