The international debate on the question of whether shared and/or public sanitation facilities should be considered improved is still open. The concern is that a shared sanitation facility cannot be maintained in hygienic conditions when used by too many people. The analysis of 1’500 randomly...

Results of a representative survey conducted with 1’500 poor households in Uganda’s capital during November 2010 show that the majority of Kampala’s urban poor have access to on-site sanitation facilities. Despite the widespread accessibility to sanitation, the conditions of many...

Improved hand hygiene efficiently prevents the major killers of children under the age of five years in Ethiopia and globally, namely diarrhoeal and respiratory diseases. Effective handwashing interventions are thus in great demand. Evidence- and theory-based interventions, especially when...

Very often in the history of mankind, social changes took place because a minority was successful in persuading the dominant majority of a new idea. Social psychology provides empirically well-founded theories of social influence that can explain the power of minorities at individual level. In...

Our study area in the Chaobai watershed, upstream of Miyun Reservoir, has been undergoing agricultural water transfers to downstream municipal uses in Beijing. We examine the impacts of water reallocation on crop production and farmers' income and discuss issues relating to current compensation...

The lack of safe drinking water is one of the major problems faced by developing countries. The consequences of contaminated water are diseases such as diarrhea, one of the main causes of infant mortality. Because of its simplicity, solar water-disinfection technology provides a good way of...