Read here. Climate alarmists state that most species will be forced to move substantial distances from their present territories because of global warming. The climate alarmist scientists developed models to predict just how far a species would move due to the increased warmth. Researchers compared the outcome of the models to the actual empirical evidence of birds shifting their territories in the Italian Alps. Surprise! As is most often the case, the computer models were wrong.
"In light of their findings, as well as those of others they cite, Popy et al. conclude that "until a better understanding of the underlying mechanisms is achieved, predictions based only on 'climate envelope' models should be either validated or considered cautiously," which in our view is a pretty generous conclusion. We would suggest that such poorly-performing models not be used at all."