Approximately one in four handpumps in sub-Saharan Africa are non-functional at any point in time, which in 2015 was roughly equivalent to 175,000... Read more...
This review is the first comprehensive evaluation of the External support programs (ESP) literature. It derives a definition of external support... Read more...
Fe0-bearing materials, such as steel wool, hold good promise as low-cost, readily available and highly effective decentralised fluoride treatment... Read more...