Photo Slideshow: Water Connections in the Informal Community of Cuatro, East Zone Manila

When vendors and their customers spend less on water from the filling stations, both parties stand to profit, according to aid workers in Manila.

Peter Gleick: World Water Day 2010 — A trip through one of the worst slums in the world

Like urban slums throughout the developing world, there is almost a complete lack of piped safe water and no formal sanitation. Raw sewage and garbage flow through the streets and drainage ditches.

Mexico City Washes Off Flu With Dribbles

mexicoslums While countries around the world are taking measures to hold up the spread of the H1N1 virus, much of Mexico City still lacks the most basic barrier to the flu –- water sanitation.