Nyakhot Deng washes her hands in front of the latrine she built herself in the Tierkidi camp for South Sudanese refugees in the western Ethiopia region of Gambella. Dagmawi Tadesse/Oxfam To improve ...

That's a problem in Bangladesh, where pit latrines have brought rates of open defecation down — but led to the dumping of 'fecal sludge' in... Bangladesh has done a great job of getting more toilets ...

A man digs a pit for an alternating dual-pit latrine (ADP) in rural Cambodia. Credit: University of Colorado Boulder A smart toilet design introduced in rural Cambodia was supposed to change ...