Preface. An Important Aspect of Municipal Management: The Sociopolis Strategy; S.A. Urekian. Scientific Achievements Related to the Sustainable Development of Cities; A.M. Andriesh. Improving Energy Efficiency in Buildings; L.V. Divone, et al. Science Policy and Problems of Investment for the Development of Cities; S.I. Radautsan. Energy Efficient Management of Cities: a Review of Approaches Worldwide Including the Economies in Transition; K. Brendow. Science, Technologies and Urban Challenges; J.-C. Thibodeau. Scientific and Technological Progress and Technogenic Safety Problems; K.V. Frolov. New Materials for Shock and Vibration Resistant Building Structures Used in European Cities Development; C.I. Simionescu, et al. Information Systems for a Wide International Cooperation between Cities and Countries; V.V. Petrov, N.G. Monastyretskii. Achievements of Chemistry for Solving City Problems; P.F. Vlad. Role of the Technical University of Moldova in the Elaboration and the Implementation of Modern Technologies for Cities; I.A. Bostan. International Cooperation Programme for Specialists Training: Results Obtained by the Transilvania University of Brasov; S.T. Chiriacescu. Recent Methods for Treatment of Wastes; G. Parissakis. Water Depollution Using Ozone Technologies, in Densely Populated Urban Areas. Achievements; F.T. Tanasescu, R. Cramariuc. Technology and Strategy for Reduction of Atmospheric Pollution in Big Cities; N. Katsaros. New Ideas to Promote the Application of Alternative Energies to Improve the Quality of City Life; E. Bucher, et al. Outstanding Discovery of the XXth Century - Lasers: Perspectives of Using for the Big Cities Needs; A.M. Prohorov. Mathematical Modelling of Energy-Technological Units and Control Models in Energy Saving; V.G. Lisienko.Illumination Problems in European Cities; J.-J. Damelincourt. Environmental Education and Environmental Issues; E.M. Malitikov. Microwave Opportunities for City Communication and for Motor-Car Traffic Handling; H.L. Hartnagel. Photonic Achievements for the Development of Modern Cities; L.L. Kulyuk. Scientific Approach to Transport Problems of Large Cities; P.S. Gruntov. Science Policy and Technology Transfer in Azerbaijan; M.I. Aliev. Urban Problems Across Two Millennia; A.V. Vartic. System Analysis as an Effective Instrument in the Management of Contemporary Urban Life; S. Kamionsky. Subject Index.