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Fair point. Do climate models have the fidelity to predict desertification? My intuition would be that the entire middle east will be devoid of water at 2 degrees hotter.



As always, the question is 'with how much certainty'? At low enough certainty I could predict what parts of the world will get dryer or wetter on the back of an envelope, but there are a lot of unknowables like human activity that would have to be included to make a quite reliable prediction.




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