Environmental repercussions of planning and built-up growth. Investigation of repercussions in the natural and anthropogenic environment from the built-up growth and the planning. Metres and policies for the urban environment: international Conventions on the protection of environment, international Conventions and Directives of European Union. Protection and maintenance of sensitive ecosystems in the city. Repercussions from the planning of big circulatory work. Policy of viable mobility. Bioclimatic planning. Incorporation of renewable sources of energy (ANA) in the planning of space. Methodology and problems of application of Studies of Environmental Repercussions ([MPE]) in Greece.