"X power generation method isn't safe" just isn't a legit form of argument unless you can meaningfully compare it to 1)other power generation methods or 2)not generating that power. Climate change really is a catastrophe of a magnitude we can't really comprehend, and is what nuclear plants are most often replaced with. Nuclear accidents are really bad and really scary, but they've happened before and we at least understand (more or less) the worst case scenarios.
Efficiency and conservation is actually always overlooked, negawatts are basically always the cheapest/safest option, but both the free market and government intervention underinvestment in them.
