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"I greatly appreciate your very swift response, and your organization's work in general. It's a terrific source of authoritative information."

– Lisa Beyer
Bloomberg News
August 27, 2018
Project for the Comprehensive Test Ban Treaty

Project for the CTBT Blog

The Project for the CTBT aims to support and coordinate the work of NGOs and policy, scientific and security experts in order to provide the public and policy-makers with sound information and analysis about the Comprehensive Test Ban Treaty. The following updates provide news and analyses on the status of the treaty and work of the CTBT Organization. To receive these by email, subscribe to our regular updates list.

Quick References:

  • Head of the CTBTO Discusses DPRK Test Site Dismantlement
    June 26, 2018
    Dr. Lassina Zerbo, the Executive Secretary of the Comprehensive Test Ban Treaty Organization (CTBTO), spoke at a June 14, 2018 event on the role of technology in North Korean disarmament, which was co-sponsored by the American Association for the Advancement of Science and Arms Control Association. Zerbo emphasized the importance of “getting the ball over the goal line” when it comes to North Korean disarmament.
  • Majority of Americans Still Support the CTBT
    June 21, 2018
    A new survey shows that 20 years after the opening for signature of the Comprehensive Test Ban Treaty, the majority of Americans still support the test ban.
  • CTBTO Proves Relevancy at Symposium
    June 14, 2018
    The Comprehensive Test Ban Treaty Organization (CTBTO) held its second Science and Diplomacy Symposium from May 21 to June 1, 2018 amid significant geopolitical developments. Through the symposium, the CTBTO revitalized conversations on peace and security issues and acted as a bridge between scientists, technocrats, policymakers and analysts.
  • North Korea Reports Nuclear Test Site Closure
    May 25, 2018
    Following a late April announcement by Kim Jong Un, North Korea announced on May 24 that it had destroyed its nuclear testing site at Punggye-ri.
  • Notable Read: Shutting Down Punggye-ri: Confirming Dismantlement of North Korea’s Nuclear-Weapon Test Site
    May 15, 2018
    Tariq Rauf, an independent consultant for the Comprehensive Test Ban Treaty Organization, makes the case for a CTBTO presence at the upcoming closure of the Punggye-ri test site in a May 13 article.
  • Notable Read: Test and Effect
    May 13, 2018
    George Perkovich assesses the impact of India’s first nuclear tests, 20 years later, by reviewing then-Prime Minister Atal Bihari Vajpayee’s letter to U.S. President Bill Clinton explaining India’s rationale.
  • Notable Read: Make North Korea’s Nuclear Test Pause Permanent
    May 9, 2018
    Jon Wolfsthal, Global Zero’s Nuclear Crisis Group director, recommends steps North Korea can take to build on its pledge to shut down its Punggye-ri test site and stop further nuclear weapons tests in a May 7 article for 38 North.
  • Punggye-ri Test Site Damaged, But Still Useable, Experts Contend
    May 2, 2018
    Two different teams of Chinese geologists reported that North Korea’s sixth nuclear test damaged the mountain over the Punggye-ri test site, which North Korea promised to shut down in May. Neither research team concluded that the mountain damage rendered the site unusable, despite recent media reports to the contrary.
  • Five Chinese Test Detection Stations Certified
    March 9, 2018
    In just twelve months, China has certified its first five International Monitoring System (IMS) stations, of the twelve it is treaty-bound to certify in order to realize the completion of the global nuclear test detection system managed by the Comprehensive Test Ban Treaty Organization (CTBTO).
  • NPR Rejects CTBT Ratification; NNSA Shortens Testing Readiness Timeline
    February 4, 2018
    The Trump administration’s new Nuclear Posture Review (NPR) asserts that “the United States does not support the ratification of the CTBT,” even though the United States and 182 other nations have signed the treaty, and even though there is no technical need to resume nuclear testing.

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