Contact: Katie Gehrt
Caption: Five platforms at the the Research and Demonstration Facility at Virginia Tech were used to test various depths of 'green' roofing. The thickest growth is in the foreground, with unplanted growth material and finally reflective roofing material in the distance.
Credit: Elizabeth Grant/Virginia Tech
Usage Restrictions: None
Related news release: Virginia Tech architect reveals 'green roofs' need not go to great depths to work