• Roof of building, covered with vegetation.
  • The word ‘green’ refer to environmentalism.
  • Green roof can keep buildings cool and save energy.
  • Planted over a waterproofing membrane.
  • Included root barrier, irrigation and drainage system.
  • Indicate green technology like photovoltaic panels.
  • Referred to vegetated roofs, living roofs and VCWH.
  • Partial solutions for reduction of pollution and improved air.