As four out of every five European citizens live in urban areas, their quality of life and the quality of their environment depends upon how cities look and how they function. Cities are also the places where business is done, investments are made and jobs are created and so cities represent the place where the environmental, The EU's Sustainable Development Strategy3 aims to "encourage local initiatives to economic and social dimensions of sustainable development meet most strongly. tackle the problems faced by urban areas; produce recommendations for integrated development strategies for urban and environmentally-sensitive areas.".
