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

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Please voice your support for a strong, health-protective rule by submitting your comment to the EPA today.

Video: Friends Don't Let Friends Have Nuclear Weapons

PSR Board Member Dr. Ira Helfand addresses the Second International Conference on the Humanitarian Impact of Nuclear Weapons, Nayarit, Mexico, February 13, 2014.

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Resources

  • Annual Report 2012

    PSR is pleased to present its 2012 Annual Report to our members and other stakeholders. Read more »

  • Nuclear Famine: Two Billion People at Risk?

    PSR's new, updated report on the global impacts of limited nuclear war on agriculture, food supplies, and human nutrition. Read more »

  • Zero Is the Only Option

    In March 2010, International Physicians for the Prevention of Nuclear War and PSR docs Vic Sidel and Ira Helfand published a major new briefing paper on the global climate and health effects of nuclear war. Zero is the only option was produced for the 2010 Non-Proliferation Treaty Review Conference. Read more »

In the Spotlight

  • July 17, 2014
    Our Best Opportunity to Cut Climate Change
    We need you to take action now! Tell the EPA that its proposed rule to cut carbon pollution from power plants Is vitally important and on the right track – but can be strengthened.