According to a report released by the National Development and Reform Commission, a quarter of Chinese residents have no clean drinking water, one third of the urban population breathes polluted air, and less than 20% of garbage goes through proper treatment. The report says that, "Large numbers of people are exposed to polluted air, water, and soil.” It further states, “China’s ecological environment is very fragile; forests cover only 18.21% of China’s land surface, which is less than 67% of the average for the world’s countries. China has 1.74 million square kilometers of desertified land. 90% of its natural grassland suffers from degradation.”
Source: Economic Information, March 9, 2011, reprint by People’s Daily
http://politics.people.com.cn/GB/1027/14096289.html