Cultural Heritage as a Key Resource for Resilience and Sustainability Resource efficiency was the central theme of Prof. Dr. Uta Pottgiesser’s key-note address. In other words, efficiency with regard to the sustainable usage of buildings, but also of land and materials. At the same time, the ambitious goal of “not demolishing, but rather converting,” the demand for a “new culture of car-ing and repairing,” has a central impact on the professional requirements in ar-chitecture and planning–and thus also on the content of teaching and training. In this context, it becomes clear that cultur-al heritage can serve as a model in many respects; by the same token, it must per-haps open itself up even further in terms of content with a view to the age of mod-ernism. 35-39 35-39 Deutsche UNESCO-Komission e. V.