(very) aproximately 100 yootles per hamburger
http://www.spirulinasource.com/earthfoodch7a.html
-Erica

> I have a proposal:  let's estimate the long term
> environmental cost of 
> eating a hamburger (ideas on how solicited -- don't
> say it's impossible, 
> we can at least put an upper bound on it) and pledge
> to set aside that 
> much money for an environmental charity per
> hamburger (etc) we eat.


 
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