16-29 Segment 1: Making water safe to drink

boy drinking water from a faucet


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.

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