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

Investing in a Peaceful Future – VIDEO

This video from our friends at As You Sow explores how your retirement savings might be financing arms manufacturers making nuclear missiles, cluster bombs, and other controversial military weapons used in wars and armed conflicts all over the world. In less than 4 minutes, Grant Bradski walks you through As You Sow’s Weapon Free Funds…

Under Pope Leo XIV, What’s Next for the Catholic Church’s Nuclear Weapons Platform?

Two weeks ago, newly appointed Pope Leo XIV engaged in a first-week tradition well known to leaders across the world: an introductory flurry of posts on X. “Peace” was the theme of his seven starter posts, which appeared on feeds across the globe on May 14.   Leo XIV drew attention to the Christian diaspora, the…

Ploughshares Hosts Iconic Doomsday Clock for 2025

Last week, Ploughshares and the Bulletin of the Atomic Scientists hosted a reception for a group of grantees and partners at our DC office to celebrate our collective efforts to reduce the threats posed by nuclear weapons. We journeyed from our usual office to the building’s event space, and despite a light smattering of rain,…

NukeTalk Podcast

The most recent season of NukeTalk is The Nuclear Ballot: How the US Election Shapes Nuclear Policy. NukeTalk is currently on hiatus. 

The Nuclear Ballot: Inauguration Special Report

As we conclude our Nuclear Ballot season, we are wrapping up with an Inauguration Special Report. Our guest is Jon Wolfsthal, Director of Global Risk at the Federation of American Scientists (FAS), as we explore what comes next regarding nuclear policy, domestic policy, and foreign policy at large now that Donald J. Trump is the President of the United States.

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.