“…Zhang et al (2003) did many research works about assessment on eco-city and put forward a set of indicator system. The workshops of the Lebanese Environment and Development Observatory (LEDO) at the Ministry of Environment (MoE) concluded with 110 indicators related to demography, standard of living and consumption, production patterns, agriculture, industry, energy, services, transport, air, water, land and soil, biodiversity, activities actors, policies and strategies (Nader et al, 2008). An indicator is an empirical and indirect interpretation of reality, and being used more and more frequently in the assessment of urban ecosystem, sustainability, and management of cities, land use, and the environment (OECD, 1997;Merkle and Kaupenjohann, 2000).…”