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 Growing Nuclear Threat

  The risk of nuclear conflict is higher than it has been in decades. Escalating global tensions, a renewed arms race, and reckless rhetoric are pushing the world toward a dangerous future. But we refuse to accept that fate. Our latest video breaks down the rising nuclear threat and the urgent action needed to prevent…

Grassroots Victory: A Legal Win Against Plutonium Pit Production


Victories in the nuclear policy world are rarely immediate. As the largest public foundation in the US focused solely on reducing the threat of nuclear weapons, we know patience is paramount. Ploughshares’ grants often have long-term effects. In late September, a federal judge ruled that the US government’s expansive plans to produce new plutonium pits…

You Might be Invested in Military Weapon Manufacturers

What if I told you your hard-earned retirement savings are likely invested in companies that manufacture weapons of war? If that doesn’t sit right with you, you’re not alone. My name is Grant Bradski, and I work at As You Sow, the nation’s leading shareholder advocacy nonprofit which works to increase corporate responsibility on a…

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.