Linked from
The 20 pages that link to Radioactive waste, each with the reason it gives.
Half-lifeRelated: Half-lives help estimate how long particular waste remains radioactive.
Nuclear powerRelated: Used fuel and other wastes require controlled storage and disposal.
ThoriumRelated: Thorium fuel cycles create radioactive fission products and contaminated materials.
CuriumRelated: Curium contributes significant radiotoxicity to some high-level nuclear waste.
Radioactive sourceRelated: A source may become waste when its useful activity or purpose ends.
Energy sourceRelated: Nuclear fission leaves waste that requires long-term management.