Posted Tue Apr 19, 2011 04:45 PM ET | 0
Some artists devote their lives to creating art that somehow helps the Earth. Meet just a few of them here, in honor of Earth Day. Read more

Posted by Jessica Marshall Wed Dec 15, 2010 10:51 AM ET | 0
Don't throw out that bathwater, say conservationists, who argue up to 80 percent of household water could be reused. Read more

Posted Tue Jun 8, 2010 08:16 AM ET | 0
Irrigating biofuel crops on a grand scale would be disastrous. Read more

Posted Tue Apr 27, 2010 09:44 AM ET | 0
Water is finite resource and every drop wasted is money out of pocket. Here are five simple systems and appliances you can invest in to start conserving water and cash now. Read more

Posted Wed Apr 14, 2010 11:29 AM ET
Water is such a basic human need that it takes real ingenuity to find new ways to control, retrieve, purify and share this critical resource. In this wide angle, we'll look at the newest technologies, both low-tech and high-tech, being developed to... Read more

Posted Wed Apr 14, 2010 10:55 AM ET | 0
A trip to El Salvador inspires a husband and wife to build low-cost water purification units in their garage. Read more

Posted by Josh Clark Mon Mar 8, 2010 04:03 AM ET | 0
A $20 bag of dog food takes more than 4,000 gallons of water to make, in a show of how industry and the world can take water for granted. Read more

Posted Wed Aug 27, 2008 10:15 AM ET
California is closer to hosting the largest desalination plant in the country, but not everybody thinks it's a good idea. Read more

Posted Tue Nov 20, 2007 11:50 AM ET
The Kumtag desert is creeping ever closer to the historic Silk Road city of Dunhuang. Read more

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