AfghanManMajidSaeediGettyImages

An Afghan man wears a tire around his neck while sorting through plastic and metal items near a rubbish dump on October 27, 2010 on the southern outskirts of Kabul, Afghanistan. According to the Global Anti-Incinerator Alliance (GAIA), about 15 million people throughout the developing world earn a living from collecting garbage. By Majid Saeedi/Getty Images.

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