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What about total amount of viable farmland? How much of that amount do those 6% constitute?

How much of farmland is situated close to cities (main cause of aquifer deterioration)? Would that farmland still have enough water after aquifers are caput?

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My takeaway was that 97% of US farmland would be unaffected by aquifer collapse. The 3% that would be affected (and that's assuming every aquifer in the country goes dry, which is not at risk of happening) those farms might become completely nonviable, or they might be able to shift to less water intensive crops and methods. In either case, aquifer collapse is not a significant threat to our food supply.

Nonetheless, it is prudent to preserve those water sources.

re: farms near cities, I think it varies a lot by region. Growing thirsty crops near LA is going to be a lot harder than near Houston.

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