Could vertical farms feed the world? @edyson http://wef.ch/1q6DbEd #wef #hunger #foodsecuritypic.twitter.com/dhk5foJ31u
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@edyson maybe, but vertical ag needs artificial light. Water not expensive everywhere. Most pesticides applied to staples - wheat, corn, soy
@edyson I just don't think economics add up, & not sure what problem it solves. I'd want cost comparisons, not with healthcare but with ag.
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