Skip to Navigation
Skip to Content

Support PSR!

Make a difference in the challenge to confront global warming and prevent nuclear war and the development and use of nuclear weapons.

Donate Now »

Take Action

When natural gas and oil are extracted, methane -- a potent greenhouse gas -- leaks into the atmosphere from the wells, compressors, pipes and other infrastructure. Tell EPA to regulate methane now!

Nuclear Famine Webinar

May 10, 2012

A report released this week at the Nobel Peace Laureates Summit in Chicago showed that even a limited nuclear war involving less than half a percent of the world’s nuclear arsenals would cause climate disruption than could cause a global famine.

Join PSR for a special webinar on this report on Thursday, May 10th at 8:30 pm Eastern.

More information »

Action Alerts

More action alerts»


More »


  • Dr. Ira Helfand Speaks at the UN

    Dr. Ira Helfand spoke before the Untied Nations General Assembly on September 10, 2015 as part of a panel addressing the pursuit of a nuclear weapons free world. Read more »

  • Video: We Have an Iran Deal! Now What?

    Watch PSR Security Program's latest webinar to understand the details of the Iran Deal and what you can do to keep the deal safe from Congress. Featuring speaker Kelsey Davenport, Arms Control Association. Read more »

  • Nukes in Your Backyard

    Ever wonder how many nuclear mishaps and facilities are in your own backyard? Then check out our new map featuring pinpoint locations of close calls and the stories behind them. Read more »

In the Spotlight

  • September 19, 2015
    Nukebusters Short Film Awards
    The votes are in! Five hundred people and three celebrity judges chose the best films on nuclear weapons.