Abstract:

Urban green is fast diminishing in the dense cities resulting in a multitude of socio cultural and environmental problems. Urban ecology is the direct victim to the diminishing greens contributing to some extent towards global warming. Green roof concept as it has the potentialities to reduce the adverse ecological effect of the buildings by providing bio-physical diversity benefits, food, temperature and rainfall runoff regulation, wildlife habitat, as well as aesthetic and recreational opportunities. The aim of this paper is to analyze the benefits of implementing green roofs for the building, for the city and also for the society. In the same time the main errors encounter in the designing and construction stage of the green roofs are presented.