Wasting water isn't a problem in some parts of the world. In many places, water you don't use from your tap will just end up flowing into the ocean anyway. Tr

Wasting water isn't a problem in some parts of the world. In many places, water you don't use from your tap will just end up flowing into the ocean anyway. Treating it will require some energy sure, but then it's an energy problem, which is all recycling is (in places like the US where most of our trash ends up safely in landfills and not the ocean.)