In the frame of the B-AIR co-funded program by the European Education and Culture Executive Agency, architects, designers, artists, anthropologists, radio artists have been exploring the theme of social, environmental, and spatial "vulnerabilities” trough the ordinary listening in the public spaces. Ambiances theory for architectural design address the theme trough the discussion between the infinite atmospheres and the last concerns on the happiness business. The paper shows that creating atmosphere in public spaces can facilitate the design of places with sensible qualities and the improvement of the humans’ living conditions, beyond the «narcissistic» production of sterile and stereotypical architectural objects with no social background.