http://phys.org/news/2014-05-berlin-start-up-fish-
Post# of 17862
This concept has merit and is an important trend for many reasons. I am curious about the potential scale of this leg of the operations. It's here for your enjoyment, that website has other links to articles pertaining to aquaponics. I can't believe Pittsburgh does not have a farm like this, urban farming is growing quickly here.