… CITIES … collaborating with Saint-Etienne on kicking-off transition, with Malmö on mobility, with Melbourne on urban farming, with Lille on engaging participation or with Brussels on the dynamic of Agenda 21 shows how cities level is key when considering sustainable transition both because cities are a critical part of the problem but also because a certain feeling of belonging within a social density – especially for such medium-sized cities – enhance to take action both for local authorities…