Green roofs growing

The area of green roofing in North America grew 72% between 2004 and 2005, and by over 80% in the United States, Green Roofs for Healthy Cities has announced. North American green roof infrastructure implementation increased from 1.3 million square feet in 2004 to 2.5 million square feet in 2005.

The 4th Annual Green Roof Conference, Awards and Trade Show takes place in Boston, MA, on May 11-12, 2006.

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