That's the recommendation from a new report by the US National Research Council, who say reclaimed waste water is needed as a necessary substitute for the dwindling supply of freshwater. What's more, reprocessed urine might actually be cleaner than freshwater.
There's been a lot of talk recently about a coming water crisis, in which there both won't be enough water to go around and what water there is will be dangerously polluted. Well, there might be some good news.
As the need for fresh water increases, growing populations across the globe will increasingly turn to groundwater to slake their thirst. But where will we find that water? UNESCO's World-wide Hydrogeological Mapping and Assessment Programme (WHYMAP) created this map, along with several others, to serve as a guide to…