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.

NukeTalk Podcast

This current season of NukeTalk is The Nuclear Ballot: How the US Election Shapes Nuclear Policy.

The Nuclear Ballot: Nukes & Votes

What’s at stake in this election? With nukes on the line, experts share what’s on their minds just days before the election. How could this election reshape US nuclear policy? Find out with insights from Molly Hurley, Allen Hester, and Esther Im as they break down the nuclear issues that could shape the future. Tune in for a wrap-up of…

Latest from our Story Center

Emma Belcher’s Values-Based Leadership

On a sunny, 60º day in San Francisco, Dr. Emma Belcher and I met at the California Academy of Science’s cafe for a coffee following a short but packed week of meetings with the Board of Directors and our annual gala, Chain Reaction. We had just concluded a private group tour of the museum which…

Why A Sunflower?

Sunflowers are one of multiple types of flowers known as “turnsoles,” which are plants whose stems or flowers follow the movement of the sun. Turnsole movements show the connection between the different elements of nature as well as the connection between nature and those inhabiting Earth. They also demonstrates the movement of time and beckons…

Ploughshares Board Chair Terry Gamble Boyer Passes the Baton

Outgoing Chair Terry Gamble Boyer recently ended her term on the Ploughshares board. After 14 years on the Board and six years as Chair, she leaves behind an impressive legacy as a team builder, an advocate and a leader. As she looks back over her time with the Ploughshares board, a few key memories stand…

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.