Over four billion people worldwide lack adequate sanitation - World Socialist Web Site
4 milliards d’êtres humains sans chiottes dignes de ce nom
▻http://www.wsws.org/en/articles/2013/02/26/sani-f26.html
Over four billion people worldwide lack adequate sanitation
By Bryan Dyne
26 February 2013
One aspect of the global social crisis was revealed in a recent study published in the journal Environmental Science & Technology. Using 2010 sewerage connection data available from 167 countries and sewerage treatment data from 77 of those countries, the study found that 4.1 billion people in the world to not have access to basic sanitation, double the previous estimate. This includes a lack of flush toilets and exposure to untreated sewage.