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!

Video: PSR's Dr. Ira Helfand speaks to students on the urgency of action

Dr. Helfand spoke in September, 2010 to an audience of University students and professors on the medical consequences of nuclear weapons and the urgent need for the United States of America to reduce the risk posed by these weapons of mass destruction. Watch below.

Browse Resources

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.