[Tepix]

We don't know how much radiation is set free by nuclear power plants because the highly radioactive nuclear waste they leave behind will be around for tens of thousands of years and we don't know if and when it will contaminate the planet.

[ryathal]

We know that waste is sitting in a pond, it's not set free, it's not capable of magically moving itself. We have no idea where any of those coal emissions ended up, and we still have piles of extremely toxic ash just like the nuclear waste.