Why the United States has no permanent home for its most dangerous nuclear waste

Nature · Published 3 October 2026 Swipe more like this →

In short: For decades, the nation has struggled to establish a final disposal site for high-level radioactive waste. Despite billions of dollars in research and a federal mandate to build a permanent geologic repository at Yucca Mountain, political gridlock and shifting administrative priorities have left the project in a state of limbo.

The search for a permanent nuclear waste solution began in earnest with the Nuclear Waste Policy Act of 1982, which tasked the Department of Energy with finding a site for deep geologic disposal. By 1987, Congress narrowed the focus exclusively to Yucca Mountain in Nevada. Following extensive characterization by national laboratories and universities, the site was officially approved for development in 2002 via Public Law 107-200, which overcame a formal disapproval notice from the state of Nevada.

The project hit a major roadblock in 2010 when the Obama administration attempted to withdraw the license application, arguing the site was not a viable long-term option. This triggered a complex legal battle. While the Nuclear Regulatory Commission’s licensing board initially denied the withdrawal, the project faced years of uncertainty and funding cuts. A 2013 court ruling eventually forced the Commission to resume its review, leading to the 2015 publication of a safety report concluding that the repository could remain secure for one million years.

Despite these technical findings, the repository remains unbuilt. The project has faced intense opposition from Nevada stakeholders and fluctuating support from successive presidential administrations. Today, high-level waste continues to be stored in temporary steel and concrete casks at dozens of reactor sites across the country. The lack of a centralized facility remains a significant challenge for national nuclear policy, as the government continues to weigh the technical merits of geologic disposal against persistent political and regional resistance.

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