So, we are not faced with choosing between two industrial models, but between a self-destructive system, already unable to avoid the counterblows caused by the build-up of environmental imbalances, and a system able to maintain that balance and offer a long-term solution. Cities become a training area for this choice. Even if perhaps, we should not talk about “cities.” According to Treccani encyclopaedic dictionary, a city is “a very large urban centre with buildings arranged in a more or less regular pattern as to offer good road conditions, with public services and anything necessary to favour social life.”  This is not what has happened in many Italian cities since the end of WWII. Houses have not adapted to the expansion of public services, but public services have...