Utopia versus Realtà

If reality requires us to rethink cities as super-organisms with fewer impacts, without negative emissions.The need for utopia is clear to imagine alternative futures. In any way the use of a more resilient green has become the key element in the urban transformation. The even wor- ld-renowned architects (Boeri, MVRDV, AMO and BIG) have based their research on green tech. The use of a set of green solutions has become a necessity. Urban projects are increasingly re- silient. The goal of this work is to present, highlighting their strengths and weaknesses, some green projects, both visionary and under construction, based of sustainability. If the utopia of the Riforestazione Urbana become reality, however research conducted by The Green Dip is currently only a poster to return to contemporary liveable cities.