“Ensure environmental sustainability” included improving sanitation facilities is one of the eight "Millennium Development Goals” by United Nations. According to that, from 2000 to 2015, the number of people without access to basic sanitation will decrease by 50%. The access has been recognized as a human right. All over the world currently there are about 2.5 billions people lacked of that access and more than a billion people (15% of the world population) are still defecating outdoors. The uncontrolled waste water discharge would also be an environmental disaster, because it harms human health (every year 1.7 billion people suffer from diarrhea and 760000 children die for cholera, typhoid, hepatitis, etc...). Lacking of sanitary equipment and facilities also cause economical damage tremendously (according to World Bank, in India that condition costs this country more than 53 billions USD every year, accounting for nearly 6% of its GDP).
View moreView full description