1. Drink up: It takes three months for a recycled aluminum can to make its way back onto the shelf in reincarnated form. 2. Or build a bridge: In 2002 researchers from Rutgers University built a 42-foot-long bridge over a river using plastic beams made from polystyrene cups and polyethylene milk jugs. 3. Or construct a boat: During World War I, enough metal was salvaged from corset stays to build two warships. 4. As of press time, the boat Earthrace was being prepared for an attempt to break the maritime around-the-world speed record. It will use biofuel, some of which comes from liposuctioned human fat.
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