"Though we have acheived progress, our work is not over. That is why I support the mission of the Arms Control Association. It is, quite simply, the most effective and important organization working in the field today." 

– Larry Weiler
Former U.S.-Russian arms control negotiator
August 7, 2018
Nuclear Testing
  • February 23, 2016
  • February 11, 2016

    The nuclear Nonproliferation Treaty (NPT) was indefinitely extended in 1995. The Comprehensive Test Ban Treaty (CTBT) was negotiated in 1996. Two decades later...

  • February 11, 2016

    Two decades ago, on August 11, 1995, President Bill Clinton announced the United States would seek the negotiation of a true, zero-yield global nuclear test ban treaty...

  • February 11, 2016
    Noting that CTBT entry into force is, unfortunately, still many years away, a number of U.S.-based NGOs are actively pursuing a campaign aimed at UN Security Council members and other “Friends of the CTBT” states to pursue a non-binding UN Security Council resolution and a parallel UN General Assembly measure to reinforce the norm against testing.
  • January 29, 2016
    On January 27, Israel’s permanent representative to the International Atomic Energy Agency (IAEA) and Comprehensive Test Ban Treaty Organization (CTBTO), Merav Zafary-Odiz, spoke of the country's commitment to a moratorium on nuclear testing and potential future ratification of the CTBT.
  • January 19, 2016
    In 2009, the Arms Control Association launched this project to help disseminate information, ideas, and analysis about the “longest-sought, hardest-fought prize” in arms control—the Comprehensive Test Ban Treaty (CTBT)—and the steps to bring it into force. Since then, we’ve seen progress in many areas. At the same time, there have been setbacks and disappointments.
  • January 12, 2016

    North Korea’s fourth nuclear weapons test explosion is yet another startling reminder of the necessity of fresh thinking, stronger global leadership, and...

  • January 7, 2016
    On January 6, North Korea conducted its fourth underground nuclear weapons test explosion. The government in Pyongyang claims it conducted a successful test that “scientifically verified the power” of a small hydrogen bomb.
  • December 15, 2015
    This past October, Undersecretary of State for Arms Control and International Security Rose Gottemoeller visited several states where the United States conducted some of the 1,030 nuclear weapons test explosion before the end of nuclear weapons testing in September 1992. Her mission: to speak about the enduring value of the 1996 Comprehensive Test Ban Treaty (CTBT)—which the United States was the first to sign but is still among the last few that has not yet ratified.
  • November 2, 2015

    Secretary of State John Kerry and Energy Secretary Ernest Moniz last month sought to refocus attention on the issue of U.S. ratification of the Comprehensive Test Ban Treaty (CTBT).