New York City mayor Michael Bloomberg toured Brooklyn Grange’s second location at the Brooklyn Navy Yard as the new rooftop farm celebrated its first harvest. Brooklyn Grange is New York’s largest rooftop farm at 4000 m2 (43,000 ft2) and was financed in part by a New York City Department of Environmental Protection Green Infrastructure Grant. The farm is capable of producing 9072 kg (20,000 lbs) of produce and absorbing more than 3.8 million liters (1 million gallons) of stormwater each year. Read more.