Credit: Water & Sanitation Program  Cities over the past century have become the driving force of the global economy. Accounting for over half the world’s population and generating around 80%…

Robert C. Brears |

Can prepaid systems become an instrument to improve access and quality of water services to poor people in African cities and towns? Or does prepayment deny poor people more access to water? Do…

Chris Heymans, Kathy Eales |