Montrealers are familiar no doubt with Gerald Tremblay and Benoit Labonté’s campaign to clean up Montreal. Another mayor, in Sao Paulo, has also launched his own cleanliness campaign: he passed a “Clean City Law” so comprehensive that it deals not only with air, water and waste, but also with visual pollution. It also bans outdoor advertising. Since the law was passed, billboards all over the city have stood blank, or covered with white paper. (more…)
