As the world looks for ways to institute tactics that will increase access to water and sanitation, faster than simple aid has in the past, one measure is the involvement of domestic private sector. 2.5 bilion in the world do not have access to adequate sanitation, and another billion still practice open defecation, and yet another 768 million lack access to safe drinking water. In view of this, WSP (Water and Sanitation Program) released a study with IFC, which estimates that on-site sanitation in Bangladesh, Indonesia, Peru, and Tanzania is a potential $US2.6 billion market, out of which the poor consititute US$700 million. Read more here. Read the report here.