Canned air for sale in China as smog returns Print
Earth News
Written by Joan Russow
Wednesday, 30 January 2013 04:31

By JOHN GARNAUT AND SANGHEE LIU 

http://www.stuff.co.nz/world/asia/8236408/Canned-air-for-sale-in-China-as-smog-returns

January 29, 2013