NORA MORALES UAM Cuajimalpa SALOMON GONZALEZ UAM Cuajimalpa [s2If is_user_logged_in()]DOWNLOAD PDF [/s2If] [s2If current_user_can(access_s2member_level1)] [/s2If] In the last decade, Future Studies have developed a very important corpus of theory and methods aimed to analyze the future of cities. Meanwhile the world is confronted with major challenges like climate change, global pandemics, migration, inequality and poverty, government agencies, professional urbanists, academia and other organizations, concerned with strategic planning, are looking for new ways to provide insight into how we approach unforeseeable challenges and integrate complexity and novelty for better futures. In this paper we reviewed the notion of “weak signal” as a retrospective exploratory method to think of cities as anticipatory systems (Boer, Wiekens, and Damhof 2018) of future emerging problems. Using qualitative retrospective analysis and secondary research we focused on three urban innovations in transportation, workplaces and food domains...