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Comprehensive Test Ban Treaty (CTBT)

  • Time to Move Forward on the Test Ban Treaty
    Arms Control Today
    April 2, 2013

    A ban on nuclear testing has long been and continues to be a key part of a comprehensive, effective U.S. nuclear risk reduction strategy. Four years ago on April 5, President Barack Obama said in Prague, “After more than five decades of talks, it is time for the testing of nuclear weapons to finally be banned.”
  • The Status of the Comprehensive Test Ban Treaty: Signatories and Ratifiers
    Fact Sheets & Briefs
    February 27, 2013

    February 2013
  • The Nuclear Testing Tally
    Fact Sheets & Briefs
    February 27, 2013

    February 2013
  • Obama’s Second Chance
    Arms Control Today
    January 14, 2013

    In a dramatic speech in Prague less than 100 days after his 2009 inauguration, President Barack Obama warned that “the threat of global nuclear war has gone down, but the risk of a nuclear attack has gone up. More nations have acquired these weapons. Testing has continued. The technology to build a bomb has spread.”
  • CTBTO Picks Lassina Zerbo as Next Head
    Arms Control Today
    November 2, 2012

    The CTBTO’s member states chose Lassina Zerbo of Burkina Faso as the organization’s next executive secretary. Zerbo is to succeed Tibor Tóth in August 2013.
  • Conference Report Available "CTBT at 15: Status and Prospects"
    Press Room
    October 24, 2012

    (Washington, D.C.) The Arms Control Association, in association with the UK Government and the Vienna Center for Disarmament and Nonproliferation, organized a day-long conference on February 17, 2012 in Vienna, Austria, to mark the 15th anniversary of the establishment of the Preparatory Commission of the Comprehensive Test Ban Treaty Organization (CTBTO). This conference report details the value of the CTBT and explores pathways to its entry into force.
  • No Going Back: 20 Years Since the Last U.S. Nuclear Test
    Issue Briefs
    September 20, 2012

    On September 23, 1992, under the surface of the Nevada Test Site, the United States conducted its 1,030th--and last--nuclear weapon test explosion. At the time, there were serious questions about whether the United States could indefinitely extend the service lives of its nuclear warheads without regular nuclear testing.
  • ACA Director Speaks in Moscow on CTBT
    ACA Events
    September 7, 2012

    Prepared Remarks by Daryl G. Kimball, Executive Director, Arms Control Association at Moscow Nuclear Nonproliferation Conference in Moscow, Russia on September 6, 2012.
  • Comprehensive Test Ban Treaty at a Glance
    Fact Sheets & Briefs
    August 3, 2012

    September 2012
  • Nuclear-Weapon States Meet in Washington
    Arms Control Today
    July 5, 2012

    Officials from the five original nuclear-weapon states reaffirmed their “shared goal of nuclear disarmament” in a joint statement issued at the end of a June 27-29 meeting in Washington designed in part to review the progress on commitments made at the 2010 Nuclear Nonproliferation Treaty (NPT) Review Conference.