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Steps to Zero

Nuclear weapons pose a threat to human life and health.  Additionally, the weakening of international treaties and the rising threat of nuclear terrorism make taking steps to eliminating nuclear weapons essential.  With recently reported bipartisan and global support for a vision of world free of nuclear weapons, PSR will promote taking concrete steps to zero including: U.S. ratification of the Comprehensive Test Ban Treaty, a reduction of the role nuclear weapons play in security strategies, U.S.-Russian agreement to verifiably reduce nuclear arsenals, and a strengthening of the Nuclear Nonproliferation Treaty.

Physicians for Social Responsibility (PSR) collborates with two international organizations--the International Campaign to Abolish Nuclear Weapons (ICAN) and International Physicians for the Prevention of Nuclear War (IPPNW) in an effot to abolish nuclear weapons. PSR, ICAN and IPPNW have identfied some critical steps towards zero including the U.S. ratification of the Comprehensive Test Ban Treaty. 

Researcher Corner

  • Climate and Health Effects of Regional Nuclear War

    Recent studies have shown that even a “limited” nuclear conflict, involving as few as 100 Hiroshima-sized bombs, would have global climate implications. Among the most serious consequences, a significant cooling of the earth's surface would curtail growing seasons for a decade or more, affecting the food security of billions of people far removed from the area of conflict. Read more »



  • Kyl Amendment Seeks to “Modernize” U.S. Nuclear Weapons
    Posted on July 23, 2009

    An amendment to the Department of Defense Authorization Bill (S.1390) outlines a plan to cut funding from nuclear weapon reduction activities. Senators Jon Kyl (R-AZ) and Joe Lieberman (D-CT) introduced the Amendment (S. 1760) on behalf of McCain (R-AZ), McConnell (R-KY), Sessions (R-AL) and other prominent members of Congress. This Amendment attempts to both stifle nuclear disarmament negotiations between the U.S. and Russia and strengthen U.S. missile defense systems. Read more »

  • Policy on Pakistan
    Posted by Sohini Sircar on June 3, 2009

    The Obama Administration is embracing the vision of a world free of nuclear weapons, but understands that attaining this goal will take time. The President has made it clear that the United States will keep its nuclear deterrent capabilities for the time being. Yet the U.S. must take concrete steps to realize this vision in order to prevent our greatest threat today: nuclear terrorism. Read more »

  • Obama Met With Four Horse Men
    Posted on May 20, 2009

    President Obama met with authors of a 2007 Wall Street Journal article that pushed the international community onto a nuclear weapons free world wave. Former secretaries, Henry Kissinger, and George Schultz, and two leading Democrats, Sam Nunn, and William Perry met with President Obama to help him realize what he committed America to in Prague last month, “a world without nuclear weapons.’’ Read more »
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