Green: Developing a ‘Water Battery’ for Trees

 

By By JIM WITKIN
Published: April 9, 2010
By harnessing moisture from the air, the Groasis Waterboxx could grow food crops and trees even in the driest climates on earth, its maker says.

 

http://green.blogs.nytimes.com/2010/04/09/developing-a-water-battery-for-trees/

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