This blogpost is part of a series of thematic blogs for the World Bank's Water Supply, Sanitation, and Hygiene (WASH) Poverty Diagnostic. Woman carries water containers near polluted stream…

Libbet Loughnan, Craig Kullmann |

Those who have tried toilet training a pet dog or cat know that it is a difficult proposition. How about toilet training a flock of 30 chickens? “Why would I want to?” Because in poor countries,…

Derek Headey |