Viewpoints

Much of the world is without clean, potable water on a consistent basis, and even in developed countries where water is available, cleaning it for drinking and bathing and treating the wastewater is expensive and uses a lot of energy. We talk to a scientist who is working on new technology that will make filtering and sanitizing water more efficient, use less resources and provide clean drinking water to countries where water-borne diseases negatively affect the population at alarming rates. Learn more about your ad choices. Visit megaphone.fm/adchoices