1. CDIC. The consumption amount of oil is 0.35 billion tons. http://www.ce.cn/cysc/ny/shiyou/200707/17/t20070717_12193884.shtml [accessed 03.06.08].
2. The import amount of oil is excessive speed in China. http://www.build.com.cn/hangyedongtai/ShowArticle.asp?ArticleID=2020 [accessed 03.06.08].
3. Chinese coal output amount in 2007 increases 8.2% compare with 2006. http://www.3jjj.com/coal_new.asp?nid=381831&lid=44 [accessed 03.06.08].
4. Chinese let amount of SO2 in 2005 ranks the first in the world. http://news.sina.com.cn/c/2006-08-04/11289660143s.shtml [accessed 03.06.08].
5. The share of primary energy in Chinese total energy consume. http://finance.sina.com.cn/roll/20080409/02202131646.shtml [accessed 03.06.08].