How do you solve a problem like a broken water pump?

Long considered a symbol of development aid, up to 40% of handpumps in sub-Saharan Africa are broken at any one time. Technology is offering smart solutionsOver the past few decades, the humble handpump has become the go-to option for rural water supply in developing countries. They’re used to extract groundwater which is mostly clean, easy and cheap to access, and available year-round. Handpumps are usually a better option than open wells – which are highly vulnerable to contaminati