Head of the Barcelona Agency for Urban Ecology since its creation in 2000, Salvador Rueda (Spain) is a committed professional who promotes urban projects that take the environment into account. With studies in Biology, Psychology, Environmental Engineering and Energy Management, he was an EU urban environment expert between 1994 and 2000. In conversation with the writer and activist Gabi Martínez (Spain), he will go into detail about strategic, habitable and sustainable urban models.