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 |

Cities are becoming thirstier – a 50 percent increase in urban water demands is anticipated within the next 30 years. Rapid urban population growth, economic expansion, and competing demands are…

Lauren Nicole Core, Stephane Dahan, Richard Abdulnour, Clementine Marie Stip |

Rainwater harvesting for drip irrigation, Lake Victoria, Tanzania. Photo credit: Wisions.net Everybody depends on it; there is no substitute for it if we run out; in some places, it’s more…

Jonas Jägermeyr |

Las Vegas via Andrey Bayda / Shutterstock.com What do casinos in the Las Vegas desert, beachside cultural sites in Malta, and palm groves around centuries-old markets in Marrakech have in common?…

Richard Abdulnour, Lauren Nicole Core, Stephane Dahan |

The impact of drought in California since 2014: Lake Oroville State Recreation Area's dramatically receding water linePhoto: Ray Bouknight via Flickr In the face of the Southern California’s…

Stephane Dahan, Lauren Nicole Core |

While recently touring drought-stricken California, President Obama remarked: "We can't think of this simply as a zero-sum game. It can't just be a matter of there's going to…

Shafiqul Islam, Lawrence Susskind |

For the last six years, a power plant in San Luis Potosi, Mexico has bought water from a nearby wastewater treatment plant to use in its cooling towers (instead of using freshwater). This…

William Rex, Vivien Foster |

After months of preparation, the Sanitation Hackathon weekend is upon us.In dozens of countries around the world, IT and sanitation experts will join forces for an intensive brainstorming and…

Sanitation Hackathon Team |

We know that water and sanitation services do not always recover their costs from tariffs. So, if communities or governments are to maintain the infrastructure properly, they depend on the public…

Meike van Ginneken |