Forecasts have been pointing out for years that water scarcity will become a problem. Here's one start-up's smart solution.

Much of the world is wracked by water scarcity. Can high tech nano-engineering provide surprisingly simple and cheap solutions?

Many innovative designs have experimented with producing clean water from contaminated or salt water. A new approach takes inspiration from mangrove trees.

A revolutionary computer-based prediction system has helped drastically reduce the number of cholera cases and deaths in war-torn Yemen.

GraphAir, a new type of graphene developed in Australia, can remove salt and contaminants from water in one easy step.

The solar-powered WADI tells communities when their water is safe to drink, reducing illness and carbon emissions at the same time.For around 660 million people in Africa, Asia and Latin America, access to fresh, clean water is not something they can take for granted, with communities often needing to take extra steps to ensure their drinking water is thoroughly disinfected.

Water security issues affect the lives of millions in developing countries. A personal water filter system that purifies contaminated water as you drink it is helping to affordably alleviate water poverty in many places.