There's plenty of water on our planet, but unfortunately for us, not all of that water is drinkable or easily obtained. A whole ocean of water is even locked away underground
trapped in minerals that we hopefully won't need to tap into for fresh water. However, drought conditions
could get worse, so we might have to explore more exotic ways of getting potable water. Here are just a few desalination technologies that might become useful soon.
If you'd like to read more awesome and interesting stuff, check out this unrelated (but not entirely random!) Techdirt post