Poor Air Plagues 90% of Cities
Shanghai Daily, March 30, 2013
http://www.shanghaidaily.com/nsp/National/2013/03/30/Poor%2Bair%2Bplagues%2B90%2Bof%2Bcities/
Air Pollution Linked to 1.2 Million Premature Deaths in China (中国一年120万人死于空气污染)
The New York Times, April 01, 2013
EN:http://www.nytimes.com/2013/04/02/world/asia/air-pollution-linked-to-1-2-million-deaths-in-china.html
CH:http://cn.nytimes.com/article/china/2013/04/02/c02pollution/