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Do new water technologies stand a chance?

With stingy, risk-averse customers, it's tough to commercialize new water purification technologies. Start-ups are focusing on a niche to get a foothold.

By June 15, 2011


Companies to watch in green tech: Food and drink

You can live without electricity, but not water or food. A crop of new companies are trying to take the chemistry out of agriculture and eliminate crop pests and microbes the natural way.

By April 21, 2008


Lake Mead may go dry by 2021

People will be leaving Las Vegas in droves if Lake Mead runs dry in a few years.

By February 12, 2008


Desalination without a membrane

Quos wants to take seawater and turn it into drinking water cheaply.

By December 5, 2007