Because the quantities of waste are laughable https://nda.blog.gov.uk/2019/08/02/how-much-radioactive-waste-is-there-in-the-world/ https://nda.blog.gov.uk/2019/

Because the quantities of waste are laughable https://nda.blog.gov.uk/2019/08/02/how-much-radioactive-waste-is-there-in-the-world/ https://nda.blog.gov.uk/2019/08/02/how-much-radioactive-wast... (The HLW is what people mostly worry about) Even in a weird scenario where we don’t start recycling our nuclear “waste”, storing 100000x the current amounts would not present a particularly huge challenge.