Have a look some of material on the reading list on Politician Compass for left libertarian it may help you.
When people talk about libertarians they are almost always talking about right wing (Ayn Rand) libertarians. They get attention because they are having direct impact on our current politics.
Have a look at the size of the Finnish waste repository.
https://www.bbc.com/future/article/20230613-onkalo-has-finland-found-the-answer-to-spent-nuclear-fuel-waste-by-burying-it
The Finnish repository is designed with a life of 100,000 years. Homo sapiens (i.e us) have existed for about 300,000 years.
Article about the problems warnings that will comprehensible in 10,000 years https://www.bbc.com/future/article/20200731-how-to-build-a-nuclear-warning-for-10000-years-time