Japan says it plans to build an "ice wall" around the Fukushima nuclear plant to stop radioactive water from spreading further. But critics say there are environmental and political risks to such a move. We discuss the efforts to control the leaks, and look at how the radioactive waste might affect the West Coast of America.
Japan Plans 'Ice Wall' to Block Leaking Radiation
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Kenji Kushida, research associate in Japanese studies at Stanford University's Shorenstein Asia-Pacific Research Center
Daniel Madigan, postdoctoral researcher at Stony Brook University in New York and co-author of two studies on radiation levels in bluefish tuna in the Pacific Ocean
Eliza Strickland, associate editor at IEEE Spectrum, a magazine that focuses on technology and engineering
Matt Charette, senior scientist in the Department of Marine Chemistry and Geochemistry at the Woods Hole Oceanographic Institution