October 22nd, 2013
02:54 PM GMT
Share this on:

CNN's Ian Lee goes to Egypt to meet Faris Farrag, a former banker who now farms plants and breeds fish with an "aquaponic" system. Aquaponic systems rely on recirculation, meaning there is little waste and better efficiencies. On Farrag’s farm, gases exhaled by his fishes are pumped into the greenhouse, while oxygen produced by the plants is circulated back to the fish farm.

Filed under: Business

About Business 360

CNN International's business anchors and correspondents get to grips with the issues affecting world business, and they want your questions and feedback.

Powered by WordPress.com VIP