Yucca Mountain is quite probably more than adequate to task. But nuclear waste's long-lived nature makes long-term planning problematic. Human institutions such as corporations, not-for-profits, governments, and even language, writing, and culture, are minuscule by comparison.
Consider that the world's worst nuclear accident site has seen four changes in national government (USSR -> Commonwealth of Independent States -> Russian Federation -> Ukraine), and is presently enemy occupied territory in a free-fire active war zone.
Yucca Mountain is quite probably more than adequate to task. But nuclear waste's long-lived nature makes long-term planning problematic. Human institutions such as corporations, not-for-profits, governments, and even language, writing, and culture, are minuscule by comparison.
Consider that the world's worst nuclear accident site has seen four changes in national government (USSR -> Commonwealth of Independent States -> Russian Federation -> Ukraine), and is presently enemy occupied territory in a free-fire active war zone.