PermaCity, introduced by Prof. Jürgen Rosemann as the main theme of the 2007 IFoU Conference, stands as an integrated approach towards urban sustainability and covers all dimensions of the urban society. Environmental -, economic – and social sustainability are the basic requirements of a sustainable PermaCity. Last but not least, cultural development is a necessary condition of a sustainable society. PermaCity invites people to reflect on the developmental aspects of urbanization and to focus on the primary questions: how to steer and shape the process of urbanization without traumatizing our urban planet? With this in mind, the IFOU CONSULTANCY invites decision makers, urban planners, architects and users of the built environment, to question as well as to seek design principles capable of shaping sustainable cities and regions with an ultimate goal of how to generate the conditions necessary to secure the PermaCity ideal.