As you notice, the UAE is rather wealthy. I seriously doubt they located the prototype near Abu Dhabi because it was a location in dire need of safe water, rather than convenience and publicity.
A few other middle eastern, and numerous African countries, with GDPs so small you'll think there was a typo, both desert and not, have serious clean water shortages.
A few other middle eastern, and numerous African countries, with GDPs so small you'll think there was a typo, both desert and not, have serious clean water shortages.