This man-made symbiosis can solve the food crisis

And these 3 startups are leveraging it in different ways

Aquaponics is the combination of rearing fish (aquaculture) and growing plants without soil (hydroponics) in a controlled, integrated, natural system. 

As fish poop in the tank, microorganisms convert the waste into fertilizer for the plants.

The plant roots then suck up the fertilizer and naturally clean the aquarium.

The system uses a low energy LED li…