9/3/2013 How Japan's ice barrier will seal off Fukushima's nuclear ruins

Source: NBC News, Science
Date: 9/3/2013
by: Alan Boyle, Science Editor NBC News

SoilFreeze's chillers and brine lines connected to the refrigerator pipes are lined up at a remediation site in Tacoma, Wash. Credit: NBC News, Science

 Japan’s government gave the go-ahead on Tuesday to spend hundreds of millions of dollars to create a underground barrier of frozen earth around the stricken Fukushima nuclear plant. It's a seemingly crazy idea that's based on solid engineering — but this wall of ice would have to be built on an unprecedented scale, and would require tremendous energy to stay frosty.
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