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Fukushima Daiichi Nuclear Power Station. (Photo: IAEA Imagebank via Wikimedia Commons)

Fukushima Daiichi Nuclear Power Station. (Photo: IAEA Imagebank via Wikimedia Commons)

Ten Years After Fukushima: The Experts Examine Lessons Learned and Forgotten

A nuclear accident anywhere is an accident everywhere.

A decade later, the footage of the dramatic hydrogen explosions in the Fukushima Daiichi nuclear power plant, broadcast live on television—and the subsequent disruptions to livelihoods, ecosystems, and economic activities—still reverberate.

Amid a looming climate crisis and a desperate need to curb emissions, analyzing the costs, risks and benefits of nuclear energy cannot be more timely and relevant.

In the wake of the Chernobyl nuclear disaster in 1986, several new nuclear safety institutions such as the World Association of Nuclear Operators and the Convention on Nuclear Safety were created. Nevertheless, the West-based nuclear industry used an “us and them” pretext to mask some of the intrinsic and global flaws in nuclear safety practices, asserting that an accident like Chernobyl, caused by flawed technology and operational practices, could never happen within their own national borders. Then came Fukushima, a catastrophe that flipped such a narrative on its head and exposed the nuclear industry’s limitations in understanding the risks of the so-called "beyond design basis accidents."

Amid a looming climate crisis and a desperate need to curb emissions, analyzing the costs, risks and benefits of nuclear energy cannot be more timely and relevant. If the global expansion of nuclear energy to address climate change is inevitable, how can we prevent, or at least mitigate, the effects of the next nuclear accident or disaster? If nuclear accidents are no longer unimaginable, can we accept the inevitability of future nuclear accidents and focus our efforts just as much on mitigation as accident prevention?

Providing coherent and credible answers to these questions in a polarized and opinionated world is not easy. Nevertheless, this is a task we took on when we organized “Nuclear Safety and Security after Chernobyl and Fukushima: Lessons learned and forgotten,” a three-day international conference hosted by the Project on Managing the Atom at the Harvard Kennedy School of Government.

This commentary series is more than just a distillate of the views that were presented during the conference by some of the world’s leading thinkers, scholars and practitioners on the 10th anniversary of Fukushima. It is a call for action, for change, and for a genuine collective engagement.

As our experts share in this series, the lessons learned and forgotten from past nuclear disasters are many. But, broadly speaking, they can be placed under four themes:

First, the impacts of nuclear accidents should not be measured quantitatively alone. Quantitative measures such as the number of fatalities or deaths per kilowatt hour are not only inappropriate, they are incomplete and unethical. The lingering human suffering resulting from forced dislocation and resettlement due to the destruction of human habitats and ecosystems ought to be fully appreciated and accounted for.

Second, there are many intangible and unquantifiable aspects of nuclear safety. These include good organizational culture (“safety culture” in the nuclear parlance), leadership, memory (so that we may remember our past failures), and imagination (so that we may anticipate the unexpected). We must look beyond hardware when we think about safety. We must consider not only technological failures but also organizational, institutional, and human failures and examine how each of them might interact with one another.

Third, it is vitally important to strike a balance between sharing information and harmonizing practices and approaches, while also developing and preserving country-specific ways of thinking about safety and security. Yet, these shared accountability mechanisms should not dilute national, organizational and individual accountability.

Finally, an aphorism bears repeating: A nuclear accident anywhere is an accident everywhere. Countries tend to assert that an accident could never happen within their own national borders because of differences in technological or institutional designs. When we embrace narratives of national exceptionalism, we lose opportunities to learn lessons from each other and set ourselves up for future catastrophe.

We hope that the commentaries presented here will inspire renewed and creative reflection on the future of nuclear safety and the governance of nuclear technologies.

Editor’s note: This collection was produced in a collaboration between the Project on Managing the Atom at Harvard Kennedy School and the Bulletin.


© 2021 Bulletin of the Atomic Scientists

Ali Ahmad

Ali Ahmad is a Research Fellow studying energy policy at Harvard Kennedy School’s Project on Managing the Atom and International Security Program. His research interests include energy security and resilience and the political economy of nuclear energy in newcomer markets, with focus on the Middle East.

Aditi Verma

Aditi Verma is a 2020–2021 Stanton Nuclear Security Postdoctoral Fellow at the Belfer Center’s Project on Managing the Atom and the International Security Program. She is broadly interested in how nuclear technologies specifically and complex technologies broadly, and their institutional infrastructures can be designed in collaboration with publics such that traditionally excluded perspectives can be brought into these design processes.

Francesca Giovannini

Francesca Giovannini is the executive director of the Project on Managing the Atom at the Harvard Kennedy School’s Belfer Center for Science & International Affairs. In addition, she is a non-residential fellow at the Centre for International Security and Cooperation at Stanford University. Giovannini served as Strategy and Policy Officer to the Executive Secretary of the Comprehensive Nuclear Test Ban Treaty Organization (CTBTO), based in Vienna.

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