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Pierre van Rensburg

The Goreangab water treatment plant uses a process that partially mimics nature to turn sewage from Winhoek's 300,000 residents back into potable water. It opened in 1968 and was the first such plant in the world.

Recycling sewage into drinking water is no big deal. They’ve been doing it in Namibia for 50 years.

Environment

Water-starved cities around the world are starting to turn to a once-unpalatable solution: recycling their sewage. And they have a surprising pioneer to thank for developing the technology — the southern African desert country of Namibia.