People have had water for a fairly low price that nobody really cares about it. Now they have to care, but it's not the end of the world (yet). Solar/wave power

People have had water for a fairly low price that nobody really cares about it. Now they have to care, but it's not the end of the world (yet). Solar/wave powered desalinization will look a lot more interesting when they hit bottom. Unfortunately nobody will move before it reaaaaally hurts them.