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.

LEARN MORE & SUBMIT YOUR PITCH
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The Future of Iran's Nuclear Program

U.S. and Israeli strikes on Iran's nuclear facilities have caused damage, but is the Iran nuclear program really over? The timeline until the creation of an Iranian nuclear bomb may be stretched, but one thing is still clear: diplomacy is needed to ensure that another nuclear-armed state does not emerge in the Middle East.

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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.

Countries

Learn about stockpiles of nuclear weapons and nuclear material around the globe.

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Learn about nuclear weapons, defense spending, critical nuclear weapons treaties and more.

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Podcasts

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Fiscal Year 2026 Defense Budget Request Briefing Book

FY25 enacted levels come from the FY26 Department of Defense Procurement Programs (P-1) and Research Development, Test & Evaluation Programs (R-1) documents  Table numbers in parentheses are increases or decreases from the FY25 Enacted Level unless otherwise specified  FY26 Request numbers combine Reconciliation and Discretionary Funding requests The inflation rate for calendar year 2024 was […]

After US and Israeli strikes, some nuclear experts say Iran could be more dangerous

Senior Policy Director John Erath spoke with ABC News about the future of Iran’s nuclear program. The NPT, however, allows countries to pursue peaceful civilian nuclear programs, like those for energy use. “They can go right up to the brink, and basically do everything except assemble the weapons in their final form and still be technically […]

Despite DOGE, Pentagon escapes Donald Trump’s budget cuts unscathed

Executive Director John Tierney spoke with the Detroit Free Press about increased defense spending. Former Democratic Rep. John Tierney, who now heads the Council for a Livable World and Center for Arms Control and Nonproliferation nonprofits, said he believes the political climate discourages lawmakers of both parties from questioning defense spending. “There’s not a lot of […]

How Iran could build a bomb in secret – despite Trump’s $30bn offer

Senior Policy Director John Erath spoke with The i Paper about Iran’s ability to make a nuclear bomb after the U.S. and Israeli strikes on Iranian nuclear facilities. The article is paywalled. Read more

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