The biggest problem I personally have with nuclear energy is that I don't trust companies nor states to deal with radioactive substances responsibly, especially with a rapidly aging population (see also https://youtu.be/ZSRHeXYDLko ). Do you? Theoretical safety is irrelevant when it comes to people. Just think about https://en.m.wikipedia.org/wiki/Goi%C3%A2nia_accident https://en.m.wikipedia.org/wiki/Nuclear_and_radiation_accide...