Water systems and sewage are luxuries, not an ecology. The Earth and its ecology is a life support system - it’s the only one that’s ever existed for longer th

Water systems and sewage are luxuries, not an ecology. The Earth and its ecology is a life support system - it’s the only one that’s ever existed for longer than a human generation or two. Though human maintenance is not required - we are inherent to the system - we’ve nonetheless rapidly figured out a way to break it so grievously our own part in it is endangered.