土壤里还有多少秘密？ (Government continues to withhold soil
contamination data as public concerns mount)
Xinmin Weekly, July 4, 2013
http://www.xinminweekly.com.cn/News/Content/2521
China gears up to tackle tainted water
Nature, July 3, 2013
http://www.nature.com/news/china-gears-up-to-tackle-tainted-water-1.13319