Building a future
beyond nuclear fear.

We are a hub where thought leaders, innovators, campaigners, and activists convene and take action to move us closer to a world free from nuclear threats.

Ploughshares is a relentless force committed to eliminating the threat of nuclear weapons. As the largest foundation singularly focused on reducing this danger, we grow and amplify the impact of the most effective advocates and organizations in the world through critical funding and trusted field building support.

Nuclear war affects everyone. We raise much-needed awareness to the perils of nuclear weapons development, testing, and use.

Latest from our Story Center

The Brink of War: How a New Film Depicts Diplomacy on the Big Screen

There is something genuinely refreshing about a new Hollywood film that takes nuclear diplomacy seriously. The Brink of War, opening August 14, dramatizes the extraordinary October 1986 meeting between President Ronald Reagan and Soviet leader Mikhail Gorbachev in Reykjavík, Iceland. The Reykjavík Summit lasted just two days, but the two leaders came remarkably close to…

Beyond Maximalism: Rethinking U.S. Strategy Toward Iran

The U.S.-Iran war has exposed the failure of a decades-long strategy built on coercion, maximalist demands, and the pursuit of decisive victory. A more sustainable approach must focus on managing rivalry, reducing nuclear and regional risks, and building a durable cold peace. Launched in February 2026, the U.S.-Iran war fundamentally altered the strategic landscape of…

Global Nuclear Risk with Dr. Emma Belcher | C-SPAN — VIDEO

On June 30, 2026, Ploughshares President Dr. Emma Belcher was interviewed by Mimi Geerges live on C-Span about “Global Nuclear Nonproliferation Efforts”-the US-Iran war’s impact on nuclear risk, the importance of verification processes, and the broader global nuclear stockpile. Plus, Dr. Belcher takes live caller questions on North Korea, tailored inspections, and much more. Watch…

NukeTalk Podcast

The most recent season of NukeTalk is the Nuclear Movie Club. Catch up on the season here.

The Nuclear Movie Club Awards & Conclusion

Sit back, relax, and say adieu! Today on the Nuclear Movie Club, we’re wrapping this baby up. Scott and Rebecka conclude NukeTalk’s Nuclear Movie Club season with some big picture musings on the season as a whole, the future of the nuclear movie canon, and end with a rapid fire Nuclear Movie Club Awards segment. Now, NukeTalk is going on…

9 countries in the world possess nuclear weapons.

Of the approximately 12,121 weapons that exist today, the United States and Russia have a combined total of 10,624, accounting for over 90 percent of the world’s nuclear arsenal.

United States
Russia
China
France
United Kingdom
India
Pakistan
Israel
North Korea

Together, we make a difference

Only together can we rid the planet of nuclear threats. We can’t do it alone. Our supporters have been indispensable partners over the past 40 years. And as a public foundation, we’re accountable for every dollar spent in this effort. So please join us in making sure we are all safe from nuclear weapons today, tomorrow and for generations to come.