April 6, 2016 2:54 pm Largest Rooftop Greenhouse in World Is in Chicago A New York company called Gotham Greens has built what its owners claim is the largest rooftop greenhouse in the world on Chicago’s far South Side. US & World Videos 1:28 LAPD dismantles protester encampments at UCLA 1:36 Arizona Senate repeals 1864 abortion ban 1:40 Democrats say Big Oil misled public for decades about climate change 1:45 NYPD enters Columbia University in riot gear to clear protest 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name
