111. Urban Farming, a Bit Closer to the Sun – NYTimes.com
June 17, 2009 § Leave a comment
A survey by Green Roofs for Healthy Cities, which represents companies that create green roofs, found the number of projects its members had worked on in the United States grew by more than 35 percent last year. In total, the green roofs installed last year cover 6 million to 10 million square feet, the group said.