Waste management is pretty much a solved problem [1][2]
> Some pose catastrophic risks to the communities they are stored in
"catastrophic" would have to be qualified here, and I think you are being hyperbolic, but essentially the only waste sites that have major risks are those from decades ago before we had good solutions. Nuclear is incredibly safe [3]
1. https://twitter.com/MadiHilly/status/1550148385931513856?s=2...
2. https://twitter.com/MadiHilly/status/1552655863751421955?s=2...