MarkBushey
wonders
what the minimum number of farmers is required to produce food for the world. I'm guessing we are getting close to that number.
Griffy.Lapin
wonders
the very same thing...
not if the technologies keep advancing.
CHiC
thinks
it depends on whether the farms are fossil fueled or not.
88Banshee
says
The real question is what is the minimum amount of water needed.. 