Microsoftのインスタグラム(microsoft) - 12月17日 03時16分

Dennis McClung of @gardenpool in #Mesa, Arizona is creating sustainable solutions to the world’s food production challenges. The duckweed in his tilapia pond purifies the water and helps feed his fish and chickens. It all takes place in a chemical-free aquaponics greenhouse that used to be a swimming pool. #DoMore

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