You can downvote with passion, but also let me know - what you find wrong. This is the single most thing that annoys me about HN.

Look into the water cycle. Water doesn't just disappear. With sufficient means of energy generation the lack of _fresh_ water can be solved.

To put that into perspective, we need about a thousand gallons of water to produce a megawatt-hour of power. We can desalinate a thousand gallons of water out of the ocean by spending about ten kilowatt-hours. So that's a 1% energy overhead.