Japan's draft of a new energy proposal calls for opening nuclear power plants that were shut down after the nuclear disaster in 2011. Greg Webb/IAEA/AP hide caption

itoggle caption Greg Webb/IAEA/AP

Tokyo Electric Power Co (TEPCO) workers work on waste water tanks at Japan's Fukushima Daiichi nuclear plant in the town of Okuma, Fukushima prefecture in Japan on June 12, 2013. Noboru Hashimoto /AFP/Getty Images hide caption

itoggle caption Noboru Hashimoto /AFP/Getty Images

Japanese Buddhist monk Tanaka Tokuun, who was evacuated from Fukushima prefecture, looks over an instrument measuring radiation levels at a hotel on March 17. Buddhika Weerasinghe/Getty Images hide caption

itoggle caption Buddhika Weerasinghe/Getty Images

A Tokyo Electric Power Co. worker looks at gauges in the control room for Units 1 and 2 at the Fukushima Dai-ichi plant, Wednesday. AP Photo/Nuclear and Industrial Safety Agency hide caption

itoggle caption AP Photo/Nuclear and Industrial Safety Agency