This text is replaced by the Flash movie.


Sanitation and Water

 

Download the challenge paper by Dale Whittington et al
    Download the perspective paper by Jenna Davis
    Download the perspective paper by Frank Rijsberman et al

Download the executive summary of the challenge paper

1.1 billion people lack good, clean water supplies, and 2.7 billion have no access to proper sanitation. Sophisticated modern piped water networks are far too expensive for most developing countries, but there are a number of low cost local interventions which are very cost effective and can increase the quality of people's lives significantly.