Source : NHK
https://www3.nhk.or.jp/nhkworld/english/news/20140421_23.html
Safety concerns over ice wall plans at Fukushima
Japan's nuclear regulator and experts are questioning the safety of plans to build frozen walls to deal with the buildup of radioactive wastewater at the disabled Fukushima Daiichi nuclear power plant.
The government and plant operator Tokyo Electric Power Company plan to create walls of frozen soil to prevent groundwater from flowing beneath the (...)