The Human Right to Water and Sanitation was recognized by the United Nations (UN) General Assembly in 2010. Sanitation is a global development priority.  The estimate in 2017, 4.5 billion people currently do not have safely managed sanitation. History of Sanitation WHO document  In 2017, 45% of the global population (3.4 billion people) used a safely managed sanitation service. 31% of … Continue reading The History of Hygiene and Sanitation