I apologize....can't seem to find the aquaponic venture in africa. It was an American non-profit venture. The concept was a relatively small, self contained system that was modular in nature and could be expanded to serve small villages. It was a series of tanks and NFT systems with tilapia as the base.
I stumbled on it while searching for commercial applications for hydro and those a little more off the beaten (mega greenhouse) path.
During the same search, NYC window gardening, hydroponics barge, Alberta hydro capacities came up and you know how it goes.....once down the rabbit hole a string of bread crumbs may be necessary.
Like both of you (in one regard or another), I am nearing retirement. Always entertaining self sustainability and potential income.
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