> A nuclear plant failure, I'm faced with something I can do nothing about.
You can evacuate.
> Coal .. well unless our case of whole-plane-pollution .. you can mitigate.
What can you mitigate with regards to the dangers of fossil fuels? If an oil tanker spills, or a mine collapses, or the Earth warms to the point that crops no longer grow in areas where agriculture is comfortable, or your children must breathe carcinogen particulates, then what can you do?
The first issues are local in space and time, the filthy air is an issue but I could see wearing masks, having filters, it's still humanly tangible, nuclear hazard requires more efforts and a small contact means critical disease. For the climate collapse yeah I agree. But still, this is 100+ years of planet wide accumulated foolishness, not a few plant failures.