3rd International Green Roof Congress

The 3rd International Green Roof Congress is coming up! Please save the date for this exciting congress which will be organised by the International Green Roof Association (IGRA) from 13 – 15 May 2013 at the Empire Riverside Hotel in Hamburg, Germany. This conference is under the patronage of the German Federal Minister of Transport, Building and Urban Development.

Find more at http://www.greenroofworld.com/