Did you know that today was World Water Day? The map there distinguishes between physical scarcity and economic scarcity. If it is economic scarcity, it means that adequate supply is not economically feasible.
The map is a bit odd in that it shows that all of Vietnam, water is economically infeasible. How can that be? Rice is grown there and it requires lots of water, if I am not mistaken. How can it be economically feasible then and not be massive starvation? Rice feeds those people, if no water, how do they eat?
Texas is seen as pretty dry. Maybe they haven't been to this state often enough. Parts of this state are in drought conditions, but that is more of a weather phenomenon.
What does this have to do with energy? To my knowledge, Saudi Arabia uses it oil wealth to desalinate a lot of seawater so as to have a plentiful supply of water. If energy supplies are abundant, so is water.
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