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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 urge Secretary of State John Kerry to vote "yes" at the UN in support of negotiations to ban and eliminate nuclear weapons. The vote is expected VERY SOON.

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.


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In the Spotlight

  • September 28, 2016
    Speaking Tour: Heat Advisory
    PSR's Dr. Alan Lockwood will visit 6 states this fall to highlight the health effects of climate change and speak about his new book, Heat Advisory.