The idea of a city running out of water sounds like something from a disaster movie, but it is already becoming a real fear in many parts of the world. There are many reasons why cities ultimately reach so-called “Day Zero,” when the normal water system can no longer meet the daily needs of the residents.
Some cities are already living close to the edge, while others are approaching the same risks. Water crises can happen in different climates and economies, and even vastly contrasting political systems.
So, which cities are the most vulnerable, and why? Click on to find out.