Brazil wants residents to pee in the shower.

http://tinyurl.com/mgv2cq
In the balance between concern for people and concern for the planet, this is probably in the middle.That is, environmentalists have come up with more extreme proposals. Examples are: limiting the number of children by government fiat ( as John Holdren has proposed); getting out of the way by foregoing surgery in favor of pain medication (as Obama suggested doing)when seniors reach what might plausibly be called their "end of life": actions such as depriving farmers of San Joaquin Valley of water in favor of a small fish.