Quote:
Originally posted by KRL
The planet can only support so many people. It takes 1 acre per person to feed each of us for 1 year.
Where the heck does the pee and poop end up from 6 billion people having their movements each day? That's over 2 Trillion loads of crap and piss a year.
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I think you answered your own question. Shit and piss biodegrades into fertlizer, etc, for the food. We eat our own excrement.