Nuclear Issues

CSIS’s Project on Nuclear Issues analyze nuclear policy issues including deterrence, escalation, and arms control, and is the leading network of nuclear policy professionals.

Photo: ED JONES/AFP via Getty Images

Photo: ED JONES/AFP via Getty Images

Why Young South Koreans Are Cooling on the Bomb

While many older South Koreans support nuclear armament, younger generations, the ones who will actually live with the consequences, do not share that view and see them as optional and potentially counterproductive.

Newsletter by James D. Kim — April 28, 2025

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Williams

Heather Williams

Director, Project on Nuclear Issues and Senior Fellow, Defense and Security Department
Victor Cha

Victor Cha

President, Geopolitics and Foreign Policy Department and Korea Chair
Joseph Rodgers

Joseph Rodgers

Deputy Director and Fellow, Project on Nuclear Issues

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A New Nuclear Age?

As the United States enters a "new nuclear age," the Pentagon’s approach is based on three assumptions: coordinated adversarial behavior, limited nuclear employment, and the failure of arms control. Despite some evidence, none should be considered forgone conclusions.

Commentary by Reja Younis — August 20, 2024

Audio Briefs

A New Nuclear Age?

An audio version of “A New Nuclear Age?,” a new commentary by CSIS’s Reja Younis. This audio was generated with text-to-speech by Eleven Labs. 

Podcast Episode by Reja Younis — August 20, 2024

Audio Briefs

How Are Cyberattacks Fueling North Korea’s Nuclear Ambitions?

Last week, the United States and others accused a North Korean hacker group of global cyber espionage supporting North Korea's nuclear weapons program. Coordinated efforts among the U.S. government, allies, and the private sector are essential to combat this threat.

Critical Questions by Doreen Horschig — July 31, 2024

Audio Briefs

How Are Cyberattacks Fueling North Korea’s Nuclear Ambitions?

An audio version of “How Are Cyberattacks Fueling North Korea’s Nuclear Ambitions?,” a new Critical Questions by CSIS’s Doreen Horschig. This audio was generated with text-to-speech by Eleven Labs. 

Podcast Episode by Doreen Horschig — July 31, 2024

Audio Briefs

Debating Global South Reactions to Russian Nuclear Threats

Russia is responsible for its nuclear saber-rattling, not the countries in the Global South. Global South countries have condemned nuclear saber-rattling publicly in regional and international forums, even if some of them have not called out Russia explicitly. 

Commentary by Heather Williams and J. Luis Rodriguez — July 30, 2024

Audio Briefs

Debating Global South Reactions to Russian Nuclear Threats

An audio version of “Debating Global South Reactions to Russian Nuclear Threats,” a new commentary by CSIS’s Heather Williams with J. Luis Rodriguez. This audio was generated with text-to-speech by Eleven Labs. 

Podcast Episode by Heather Williams and J. Luis Rodriguez — July 30, 2024

Audio Briefs

House of Cards?

While the norms against nuclear proliferation, use, and testing are widely supported and critical for stability, they are increasingly contested. The fragile interconnectedness of the norms urges global action to reinforce these pillars and prevent a destabilizing cascade.

Report by Heather Williams and Doreen Horschig — July 18, 2024