Do you know where to find the world’s largest rooftop soil farms? Believe it or not, they’re right here in Brooklyn! This week I asked Ben Flanner of Brooklyn Grange to tell me more about the two farms he operates–a 1.5 acre rooftop in the Brooklyn Navy Yard, and a 1-acre rooftop in Long Island City– and what he’s been cultivating (and selling every Sunday at McGolrick’s Farmers Market). The farms grow over 50,000…

