[L] A Chinese migrant worker hauls trash to a recycling depot in Beijing on August 23, 2012. [R] A Chinese man catches a ride on top of a load of recyclable trash being peddled to a trash depot on the outskirts of Beijing on August 2, 2011. After surpassing the United States as the world's largest producer of household garbage, China has embarked on a massive program to build incinerators as landfills run out of space. Yet these incinerators have become a growing source of toxic emissions that can damage the body's nervous system. UPI/Stephen Shaver