The U.S. stores its nuclear waste in secure underground facilities for the most part. Yes, there is the question of how to store it in the long term, but we will pollute our air and backyards with carbon emissions from coal and gas long before we run out of space to store nuclear waste. So, let's solve one problem at a time and not overstate the issue.
Moreover, what are the qualifications that enable you to hand down a judgement about the capabilities of science and technology and what they can and cannot achieve in terms of finding solutions to nuclear waste?