SDMed organises a major festival event in September-October, 2013, in Athens, entitled EchoPolis- Days of Sound : “Sounds, Noise and Music in re-thinking sustainable city and the eco-neighborhoods”. The “EchoPolis-Days of Sound”Event, being the first edition of a series of events to be held in cities all over the Mediterranean and the Balkans will focus on the objective "Re-inventing emotions in the City" and to the consideration of environmental sounds as a 'resource' rather than a 'waste'.