Africa Water, Sanitation & Hygiene July-August 2015 Vol. 10 No.4 | Page 26

Sanitation Exploring the sustainable development potential of sanitation in Africa By Caspar Trimmer and Linus Dagerskog particularly smallholder farmers, who too often neglect to consider recycling human excreta even as they carefully manage local natural resources to ensure sustained crop production. It can also reduce pollution and degradation of local water resources. However, there is also vast potential in SSA’s fast-growing urban centres, where existing sewerage networks and sewage treatment systems often meet only a fraction of even today’s demand. Looking back and looking ahead Productive sanitation, taken to scale, could be a key to broad-ranging sustainable development in many African countries. An SEI side event at AfricaSan 4 revisited past experiences for lessons on how to make it happen. Food security and access to decent sanitation and hygiene services are fundamental to healthy and productive lives; but far too many people in low- and middle-income countries lack both. In sub-Saharan Africa (SSA) a quarter of the population were undernourished in 2011-2013, 80% have no electricity access, and a s