Keywords: US Navy 101101-D-8856L-003 Naval Station Norfolk conducted a ribbon cutting ceremony on top of the Naval Legal Service Office for one of the Navy's.jpg en NORFOLK Nov 1 2010 Naval Station Norfolk conducted a ribbon cutting ceremony on top of the Naval Legal Service Office for one of the Navy's first green roof projects A green roof is a concept where a building's roof is partially or completely covered with vegetation that is planted over the roof's waterproofing membrane The roof is expected to significantly reduce heating and cooling costs The ribbon cutting was held in conjunction with a construction completion ceremony with the U S Environmental Protection Agency that marked an important milestone in the environmental cleanup and restoration of 170 sites U S Navy photo by John Land/Released 2010-11-01 101101-D-8856L-003 Navy http //www navy mil/view_image asp id 93633 U S Navy photo by John Land PD-USGov-Military-Navy Naval Station Norfolk Environmental restoration Flat roofs |