While I strongly disagree with you on nuclear power (especially since radioactive decay means that 'eternity' by definition is always safe, unlike chemical waste), I strongly agree that "Into Eternity" is a must-watch.
The only real long-term risk to geological disposal are future humans. The question the documentary adresses is 'how to communicate to future generations not to dig there'.
The only real long-term risk to geological disposal are future humans. The question the documentary adresses is 'how to communicate to future generations not to dig there'.