Nuclear reactors produce plutonium, and plutonium is terrible because it can be used to make bombs. Safeguards are indeed needed. Plutonium is the most poisonous substance known. No it isn't. Plutonium symbolizes nuclear war. - unrelated .
Nuclear reactors are likely to have accidents with severe consequences for humanity.
Radiation from operating nuclear reactors and other activities involved in nuclear energy is dangerous. Energy should be generated locally, even by individual households, rather than by centralized power stations. The countries that need it the most will continue to use it. France gets 77 percent of its electricity from nuclear reactors, the rest being hydroelectric. Japan is close to 30 percent and increasing steadily.