Originally Posted by Vreki
And I have yet to see them do that. They probably cant due to the time-scale and large number of factors involved.
So yes, temperature may be increasing. Is it human caused and irreversible? And will it continue to increase?
How are they going to prove that? Can they make any falsifiable predictions to validate their claims?
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Computer simulation models with controlled input (meaning you can also try to show it would happen if humanity hadn't done anything different by simply applying the data from natural changes).
So yes, they can make those models. And they happen to accurately predict the climatological changes over the past hundredfifty years as the anthropogenic models correspond far more accurately with the data received.
Meaning the model conforms accurately with reality. If you let the model run along to extrapolate, the main point of questioning is the input. Which is why models are always ran with various likely or possible inputs, next to trying to find some optimal inputs.
So really, all you need to do to verify they're not right, is to show the models are wrong and the input is wrong, while with accurate model and input you'd get a similar accuracy in results or better.