Combining aquaculture and hydroponics, aquaponics unearths value in "waste" flows and re-routes them back into the economy. It's an inspiring example of how a circular-economy business model can work.
Vertical farms grow more food but use much more energy, so let's consider other kinds of urban agriculture.
Hydroponics and aquaponics are already being used by the agriculture industry – is it time urban farmers got on board?
Urban farms might be trendy, but they won't replace rural agriculture anytime soon.
Turns out that growing food hooked up to fish tanks is actually a pretty good idea.