“Are Aquaponics a Sustainable Alternative to Conventional Agriculture Methods in New York City” Edenworks, an aquaponic farm in East Williamsburg, expects to produce around 150,000 pounds of leafy greens in a 12,000-square-foot space. For reference, Brooklyn Grange, the world’s largest rooftop soil farm operating on two rooftops in Brooklyn, grows about 50,000 pounds of…