Is that just because imported Dubai food is insanely expensive? I don't believe the math on anything but maybe indoor farming here is going to work out if the water costs anything at all.

Indoor farming can be extremely water-efficient, often at the cost of energy inefficiency, but with low solar prices and the level of sun they have in the Southwest perhaps that can become economical?

I don't know, I just do know that water shortages are a problem, are going to continue to become more of a problem, and there's currently just one technology that's affordable enough that some nations currently use it at scale. So let's get started.