This week on Straight, No Chaser, Katy Keiffer is joined by one of the founders of The Brooklyn Grange, a one-acre rooftop farm in Long Island City. Tune in to hear how the farm was started and how vertical and rooftop farming can play a huge role in the future of agriculture in urban areas. Find out what the guys at The Brooklyn Grange are up to right now, and make sure to vote for them in the BBC's World Challenge. Vote here! This episode was sponsored by Whole Foods Market.