This project focuses on the discussion of contemporary territorial development processes, assuming as empirical object the "Margem Sul" area of Tejo River as a periphery of the Lisbon metropolitan area, aiming to explore the potential of territorial innovation dynamics and its contribution to development, through the co-creation of knowledge involving artists, local communities and researchers in collaborative artistic laboratories. The project is composed of two major dimensions: First, a broad ongoing diagnosis of "Margem Sul" through less conventional data sources and methodologies, in order to draw a transdisciplinary picture of the area's "zeitgeist". The aim is to establish a common base of knowledge of the territory and its representations, which can be actively explored and worked as a toolbox for research, policymaking and artistic creativity. Secondly, a set of 4 case studies (representing a typology of peripheral metropolitan spaces of "Margem Sul"), will be developed through 8 urban interventions that will test and trigger the various dimensions of sustainable development in practice (i.e. economic efficiency, social equity,