| 23 August 2010

Image via The Gumdrop Bin It's not news that chewing gum is the scourge of city sidewalks. Nor that it takes a lot of money and energy to clear gum off walkways, shortening the lifespan of the surfaces at the same time. Designer Anna Bullus read the statistics of the gum problem in London -- that the government spends... Read the full story on TreeHugger