The project aims to consolidate the international network of collaboration between both teams around partner anthropological research on methods of collective social participation in Portuguese and Brazilian cities. This initiative of Luso-Brazilian exchange binds to two doctoral programs: Urban Studies (FCSH-UNL and ISCTE-IUL) and Postgraduate Anthropology Program (PPGA / UFF). The aim is to analyze the diversity of forms and practices of urban participation and how they mobilize and renew cultural, organizational, economic, political labor resources. This survey also wish to draw attention to activities that display scenarios, visibility and dispute in urban public space, challenging for advanced training in scientific thinking, but also the dissemination of public debate about different realities with a potential for comparability and dissemination of good practices.