In New York City, farming on a rooftop is not just an idea. Brooklyn Grange farms more than two and a half acres of rooftops in Brooklyn and Queens, and then sells what it produces to New Yorkers. A special soil mixture is used to minimize weight on the roofs and allow rapid drainage during heavy downpours. The farmed rooftops also house chickens and an apiary.

Learn more about cities’ growing rooftop-farming movement: National Geographic

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A 7-month time lapse documenting the first full growing season at the Brooklyn Grange’s farm in the Brooklyn Navy Yard. At 65,000 square feet, it’s the largest rooftop farm in the world.