If you are new to aquaponics, this TEDx video is a good introduction to an important urban food production subject. Charlie Price of Aquaponics UK does an excellent job of explaining the basic principles and potential of aquaponics.
If you visit YouTube, check out Frieda Lim's How to Cultivate a (TEDx) Logo video if you have not seen it. It surprised a lot of people in the audience and watching on the web.

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