The Japanese government's decision to discharge nuclear polluted water in Fukushima Prefecture into the sea has drawn widespread criticism. While Japan's Environment Minister Yoshiaki Harada called the move the "only option," many experts and scientists disagree. How do Japanese experts view the decision made by the Japanese government, and how do they evaluate the risks of dumping the radioactive wastewater into the sea? Kenichi Oshima, a policy science professor at Ryukoku University, shared his views.