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Shoes
ShareYourSoles.org sends casual footwear—1.25 million pairs and counting—to needy children and adults worldwide, from Appalachia to Sri Lanka. (Plus, they'll take those heels you're not so high on anymore and sell them to fund the group's distribution efforts.)

Pass along your old sneakers and a message of good health through GiveRunning.org, which encourages physical fitness by handing out rehabbed athletic shoes to disadvantaged youth.