Friday, December 3, 2010

Green Roofs Growing in U.S.

Green Roofs are Starting To Sprout in American Cities

Long a proven technology in Europe, green roofs are becoming increasingly common in U.S. cities, with major initiatives in Chicago, Portland, and Washington, D.C. While initially more expensive than standard coverings, green roofs offer some major environmental — and economic — benefits.

Photo by Sigal Ben-Shmuel/EKLA
The 2.5-acre park on the Morgan Processing and Distribution facility is the biggest green roof in New York.

02 Dec 2010 - The low scrubland of densely packed succulents is in full fall color, a carpet of green fading brilliantly to red and gold. This 2.5-acre oasis, located among a barrens of blacktop roofs that stretches east to Broadway and west to the Hudson River, would be an impressive sight even if it wasn’t sitting atop the U.S. Postal Service’s 1933 landmark Morgan Processing and Distribution facility in midtown Manhattan.

The biggest green roof in New York City and one of the largest in the country, the Morgan facility’s verdant covering was completed in December 2008 and has thrived since. As the inscription above the landmark James Farley Post Office might have it, the roof has been affected by “neither snow nor rain nor heat nor gloom of night,” and has flourished through freezes and thaws, through summer rooftop temperatures that reach 150 degrees, and through weeks of drought and torrential summer storms, despite never being watered, weeded, or fertilized. {read rest}

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