Urban areas result in a series of environmental challenges varying from the consumption of natural resources and the subsequent generation of waste and pollution, contributing to the development of social and economic imbalances. As cities continue to grow all over the world, these problems tend to become more acute and require the development of new solutions. The Sustainable City Conference addresses the multidisciplinary components of urban planning, the challenges presented by the increasing size of the cities, the number of resources required and the complexity of modern society. Topics The following list covers some of the topics to be presented at Sustainable City 2020. Papers on other subjects related to the objectives of the conference are also welcome. Urban strategies Planning, development and management Urban metabolism Quality of life The community and the city Infrastructure and society The S3 city: smart, sustainable and safe Eco-town planning Spatial conflicts in the city Urban transportation and planning Architectural issues Sustainable energy and the city Cultural heritage sites Urban conservation and regeneration Environmental management Flood risk Waste management Urban air pollution Health issues Water resources Landscape planning and design Urbanization of rural areas Urban agriculture Intelligent environment Planning for risk and natural hazards Waterfront development Case studies