Green Roof Industry Reports 80% Growth

The area of green roofs in the U.S. grew by 80%—from 27 acres (11 ha) to 49 acres (20 ha)—from 2004 to 2005, according to the nonprofit Green Roofs for Healthy Cities (GRHC). The area of green roofs in all of North America grew 72%—from 30 acres (12
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