No clue.
I think of the half life of nuke waste. Tens of thousands of years.
We made a mistake at Chernobyl. We'll probably make another mistake like that in 100 years from now. That said, environmentalists want us to stop using fossil fuels. Nuclear energy is the only way it works that can make everyone happy.
“think of the half life of nuke waste.”
But the volume is miniscule. Our total amount since the 1950’s would cover a football field to 10 feet high.