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Green Roof, New York City – National Geographic
TweetThis Month in Photo of the Day: Nature and EnvironmentSome green roofs can be far simpler to create than traditional roof gardens. Volunteers from Cook + Fox installed the New York City architectural firm’s roof themselves using Green Paks. The polyethylene bags, marketed by St. Louis-based Green Roof Blocks, contain low-maintenance plants and can be laid out with no preparation beyond rolling out a layer of waterproof material that controls drainage and blocks the intrusion of roots into roof structures.See more photographs from the May 2009 feature story “Green Roofs.”
Green Roof, New York City – National Geographic
Source: National Geographic