Some of the largest solar farms in the world that use the sun’s rays to make heat are just now coming online in California — at the same time that the state is suffering one of the worst droughts in five hundred years. MIT Tech Review takes a look at why solar thermal farms are so water intensive, what’s to be done about it, and checks out some of the newer “dry cooling” technologies that are being used to reduce the water needed.

Story posted at: technologyreview.com

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