Reverse Graffiti Hits the Streets of Porto Alegre, Brazil
Posted By Cameron Scott On June 15, 2010 @ 4:00 pm In Air quality,Art,automotive,Sustainable Materials,Urban design | 2 Comments
Reverse graffiti  — removing paint or dirt from a wall to create a pattern — is a hot trend internationally, and many cities have had a hard time figuring out how to handle it legally. Inhabitat reader Aislan pointed us to this cool video of graffiti artists removing exhaust on the tunnel walls to write “For a Clean Porto Alegre.” Police show up, hear the invisible inkers make their case, and end up shielding them from traffic  while they work!
Is reverse graffiti the same as conventional graffiti, since removing the images can be difficult? It ought to depend on whether paint, or just car exhaust , is removed, and whether the reverse writing is potentially offensive. Police in the fast-growing Brazilian city of Porto Alegre  seemed to agree when they came upon these reverse taggers at work in a traffic tunnel. Vehicles are the biggest source  of air pollution in Porto Alegre, so the message is right on target.
URL to article: http://inhabitat.com/reverse-graffiti-hits-the-streets-of-porto-alegre-brazil/
URLs in this post:
 Image: http://www.youtube.com/watch?v=4UzJhYP7bLg
 Reverse graffiti: http://inhabitat.com/index.php?s=reverse+graffiti
 traffic: http://www.inhabitat.com/transportation/
 car exhaust: http://inhabitat.comn/2008/06/18/reverse-graffiti-san-francisco/
 Porto Alegre: http://en.wikipedia.org/wiki/Porto_Alegre,_Brazil
 are the biggest source: http://sustainablecities.net/plusnetwork/plus-cities/porto-alegre-brazil
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