The generally proposed way to deal with the worst nuclear waste (spent fuel) is to put it back into special reactors or to use special reactor designs to conver

The generally proposed way to deal with the worst nuclear waste (spent fuel) is to put it back into special reactors or to use special reactor designs to convert it to material with a much lower half life (hundreds rather than 10k years) which can then be stored … somewhere … more feasibly until it becomes safe.