Bringing your lunch with you is greener than buying lunch while out, in no small part because you’re skipping wasteful packaging. But packed lunches, can still have wasteful packaging if you’re wrapping your sandwich up in Cellophane. A couple businesses at the San Francisco Green Festival are on top of making lunches greener, but they have a very different approach, leaving people to question which one gets the thumbs up, and which gets the thumbs down. … Read the full story on TreeHugger

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SF Green Festival 09 – A Tale of Two Lunch Boxes