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Smarter trash - Green garbage
Incentives and a go-green attitude induce San Franciscans to recycle 72% of their refuse.

SF Recycling & Disposal, a unit of privately held Recology, sorts glass, plastic, and paper products at Pier 96 and presses the materials into compact cubes.

NEXT: Smarter phones - Eco apps
Last updated September 10 2009: 4:53 PM ET
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