China mulls national pollution permit trading system
Reuters, January 9, 2014
http://www.reuters.com/article/2014/01/10/us-china-environment-pollution-idUSBREA0906P20140110
中国“生态红线”概念不清 ("Ecological redlines" concept still murky in China)
Financial Times, January 9, 2014
www.ftchinese.com/story/001054342