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In 2007, the world’s fourth-largest metropolis and Brazil’s most important city, São Paulo, became the first city outside of the communist world to put into effect a radical, near-complete ban on outdoor advertising. Known on one hand for being the country’s slick commercial capital and on the other for its extreme gang violence and crushing poverty, São Paulo’s “Lei Cidade Limpa” or Clean City Law was an unexpected success, owing largely to the singular determination of the city’s conservative mayor, Gilberto Kassab."
http://adbusters.org/the_magazine/73...thout_Ads.html
I know that I may be alone on this but I wish we could see, to use an expression from the article, clean cities across Canada. Visual pollution is something that we never seem to worry about though we are constantly bombarded with advertising to the point where it becomes obtrusive. I think it's brilliant for a city this large to take steps towards eliminating the problem, even if it's only on the urban sprawl.