Center for Arms Control and Non-Proliferation

Center for Arms Control and Non-Proliferation

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Nuclear Issues in the Ukraine Crisis

As the Russian invasion of Ukraine continues into its second year, concerns about a war breaking out between Russia and NATO countries, including the United States, continue. Our experts have answers to your most pressing questions about the nuclear risks involved in this conflict and the potential diplomatic paths forward.

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Next Up in Arms Control

New ideas and new perspectives are critical to strengthening the non-proliferation regime and arms control measures, not just to address our present, but to build a new future. That's why we're proud to launch a new blog series focused on new voices with a new angle on arms control.

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Where do we go from here?

After coming perilously close to losing all constraints on the world's two largest nuclear arsenals, the New START agreement was extended through 2026. But as both countries modernize their nuclear arsenals, the threat of a new nuclear arms race underscores the need for sensible non-proliferation and arms control cooperation.

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Test your nuclear weapons knowledge!

Don’t bomb this quiz about nuclear weapons! What do you know about U.S. and global policy?

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The United States must once again pursue diplomacy with Iran

We can make the United States and the world safer by reentering the JCPOA and putting Iran’s nuclear program back in the box.

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Nuclear-Armed States and Regional Tension

Ongoing proliferation efforts in nuclear-armed countries worldwide have escalated tensions. Transparency about nuclear stockpiles and policies is crucial to keeping us safe.

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Nuclear Crises and Close Calls

Throughout history, nuclear-armed states have almost been driven into nuclear conflict, or almost exploded nuclear weapons, or even lost nuclear bombs. As long as these weapons exist, so does the chance of an accident or crisis.

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A nonpartisan nonprofit dedicated to reducing and eventually eliminating the threats posed by nuclear, chemical and biological weapons through Congressional engagement and public education.

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A South Korean Bomb Would Be No Boon for Burden-Shifting

by Carl Parkin* In its first few months, the second Trump administration has disrupted long standing alliance relationships by questioning existing arrangements. The project to recast the United States’ role in its alliances won’t end with Europe, and if nominations are anything to go by, South Korea may be next on the burden-sharing chopping block. […]

Иран не хочет отказываться от обогащения урана ][ Трамп мстит генпрокурору Нью-Йорка?

Senior Policy Director John Erath spoke with RTVI US about the possibility of a new nuclear agreement with Iran. The video is in Russian. Watch more

Op-ed: What Sweden, Finland, and Poland can teach the United States about confronting Russia’s nuclear threats

Scoville Fellow Marlena Broeker wrote an op-ed in the Bulletin of the Atomic Scientists about how the United States can learn from allies like Sweden, Finland, and Poland on confronting Russian nuclear threats in Ukraine.  From the minute Russia put its nuclear forces on high alert after invading Ukraine in February 2022, Moscow has sought to […]

Op-ed: North Korean Forces in Ukraine: What it Means and What to Do

Senior Policy Director John Erath wrote an op-ed for the Georgetown Journal of International Affairs on the presence of North Korean forces in Ukraine. The presence of North Korean forces in Ukraine could reinforce Russian propaganda aimed at forcing Ukraine into an unfavorable ceasefire by adding to misperceptions that the war might be unwinnable. However, […]

Op-ed: Nuclear Testing Is a Relic. Resuming It Would Be Reckless.

Research Analyst Shawn Rostker wrote an op-ed in Just Security about why nuclear testing is unnecessary. For more than three decades, the United States has refrained from conducting explosive nuclear tests, maintaining a moratorium that has become a cornerstone of global nuclear stability. This self-imposed restraint has not only bolstered the United States’ moral standing […]

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