Interview with NHK journalist Morley Robertson, by the Center for Remembering 3.11, published Jun 30, 2012 (emphasis added): I begin with the radiation leakage. Radiation leakage exerts a long term effect on the environment. It contaminates our food chain, the groundwater and the ocean. And the contaminated seawater will circulate around the globe. We never know how much this will impact on the environment… We’ll never …