A Call for Simplified Sewerage

In the Sanitation Blog:

A third of Africans continue to practice open defecation, and half rely on unimproved latrines, the health effects of which are largely unknown. Despite this sobering picture, progress has been made in recent years by individual households eager to protect their health and improve their quality of life. The immediate sanitation challenge differs depending on prevailing practice. Where open defecation prevails, the policy focus should be on hygiene education. Where there is already widespread adoption of latrines, the challenge is how facilitate upgrading to improved models. Where improved sanitation is already prevalent, the key question is how to develop low-cost sewerage in the most densely populated areas

More here
Image of 'simplified sewers' from Akvo.org