Premises: ongoing discourses on alpine territories and cities Expanding urban development has changed the features of cultural landscapes in many countries in Europe. We find that for many cities growing land use pressure is a common challenge related with current development. Natural and cultural assets of urban and peri-urban spaces in metropolitan areas, also at alpine level, are strained by various phenomena related to structural densification, migrations, changes in traditional lifestyles and, somehow, by their strong capacity to attract people and businesses (ESPON, 2006, NORDREGIO 2004, Segretariato Permanente della Convezione delle Alpi, 2015). Within this context, how political territorialities and management strategies can be put in place at both the local and transnational levels to shape new relationships between rural and peripheral spaces? Which tools and institutional innovations are needed? Trento Social Commons. Community Engagement as Tools for New Physical and Cul...