Time Lapse: Chadwick Arboretum's Green Roof

This time-lapse video shows the installation of the green roof on Ohio State University's Howlett Hall from Aug. 14 through Sept. 11. Placed on top of a newly installed conventional roof, the green roof will extend the life of the roof by decades, reduce utility costs during the summer, and prevent 200,000 gallons of stormwater runoff from entering the Olentangy River watershed each year.