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Piles of plastic bottles are seen at Asia's largest PET plastic recycling factory, INCOM Resources Recovery in Beijing, on May 7, 2013. According to government figures, reported in local media, about 4.67 million tons of recyclable waste was collected in Beijing in 2010. In the same year, 6.35 million tons of trash ended up in landfill in the city.

Credit:

Kim Kyung-Hoon/Reuters