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In China, food quality scares put Mao's self-sufficiency goal at risk
date:May 23, 2013
the government to declare farmland out of bounds to industry, but also require ruined wasteland to be returned to life. Some researchers say as much as 70 percent of China's farmland is affected by pollution. After decades of contamination, land must be restored if it's to return to agriculture.

That takes time and money. High real estate prices in urban areas make it relatively easy to find the money to clean up land contaminated by chemical or heavy metal waste, but cleaning up the countrysid

12/22 15:17