Incredible, sustainable, fish farming in Spain
Simon Amarasingham stashed this in Random Stuff I Like
This is a TED talk describing how a biologist created a sustainable fish farm, that required no feed for the fish, because he created an ecologicial system that was self sustaining
http://www.ted.com/talks/dan_barber_how_i_fell_in_love_with_a_fish
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9:34 AM Oct 07 2014