International Organization for Standardization (ISO) [to 19 March 2016]
http://www.iso.org/iso/home/news_index.htm

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18 March 2016
Three billion people at risk from cooking emissions
There is a dark side to cooking that half the world population knows only too well as it costs the lives of four million people every year – that’s three times the number of deaths from HIV/AIDS. Most are women and children.