oronto, Canada – May 20, 2009 – Green Roofs for Healthy Cities, the green roof industry association is pleased to announce the results from its Fourth Annual Industry Survey of Corporate Members completed green roof projects in 2008. The survey indicates a US growth rate of more than 35 per cent over 2007, representing more than 3.1 million square feet installed in 2008.

Click here to read the Survey Report (.pdf, 173 Kb) (this report, prepared in 2009, covers industry growth for 2008).