Skip the plastic sandwich bags when making a sandwich for lunch. Instead, choose from three options (ranked from greenest to easiest): a hard plastic lunch box, wax paper or aluminum foil. The lunch box is reusable over and over, but if you're forgetful, you'll probably lose it. If so, wrap sandwiches in biodegradable wax paper or recyclable aluminum foil. All are good choices; choose what's easiest for you and your PB&J.
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8/24/11