Aerial view looking south toward the Gulf of Mexico down the Wax Lake Delta, Louisiana. Photo © Carlton Ward Jr.   New York City faced a challenge in the 1990s: the city needed a new water…

Andrea Erickson |

Enumerators in Ecuador collecting water sample for water quality test. Credit: World Bank team in Ecuador Over the last few years, the international community has been busy establishing new…

Ana María Oviedo, Libbet Loughnan |