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"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
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:

  • Declassified Films Remind Public of Horror of Nuclear Testing
    March 15, 2017
    Greg Spriggs, a weapon physicist at the Lawrence Livermore National Laboratory, and a team made up of film experts, archivists, and software developers have set out to find, preserve, and declassify the 10,000 films made depicting the 210 U.S. atmospheric nuclear tests from between 1945 to 1962.
  • Congressional Republicans Seek to Cut CTBTO Funds
    March 7, 2017
    Sen. Tom Cotton (R-Ark.) and Rep. Joe Wilson (R-S.C.) introduced legislation on February 7 to limit all funding for the Comprehensive Test Ban Treaty Organization (CTBTO), except for its International Monitoring System (IMS).
  • NNSA Sponsors Test Monitoring Symposium
    December 15, 2016
    U.S. Secretary of Energy Dr. Ernest Moniz and Executive Secretary of the Comprehensive Test Ban Treaty Organization Dr. Lassina Zerbo headlined a November 30 National Nuclear Security Administration (NNSA) symposium on Capitol Hill, which displayed the increasingly sophisticated array of United States and international nuclear test monitoring equipment and technology.
  • Senate Committee on Foreign Relations Hearing on CTBT UN Resolution
    November 14, 2016
    Stephen Rademaker (Podesta Group) and Michael Krepon (Stimson) testified before the Senate Foreign Relations Committee on President Obama's proposal for a UN Security Council resolution reinforcing the Comprehensive Test Ban Treaty.
  • UN Security Council Resolution 2310 Adopted
    September 24, 2016
    On September 23, the UN Security Council adopted Resolution 2310, which reaffirmed the international moratorium on nuclear weapon testing. The resolution followed a September 15 statement by the permanent five members of the UN Security Council committing not to defeat “the object and purpose” of the Comprehensive Test Ban Treaty (CTBT) as required under customary international law. It also acknowledged the value of the Comprehensive Test Ban Treaty Organization’s International Monitoring System.
  • 20 Years Later: United States, Japan, and Kazakhstan Reaffirm Support For The CTBT
    September 13, 2016
    The Stimson Center and the Arms Control Association hosted a panel discussion about the history and progress of the Comprehensive Test Ban Treaty (CTBT) 20 years after it was signed on September 24, 1996. To date, 183 states have signed the treaty.
  • North Korea's Fifth Nuclear Test
    September 9, 2016
    North Korea conducted its fifth and most powerful nuclear test on September 8. The test was met with international condemnation and calls for increased sanctions on North Korea.
  • Key Takeaways from the Senate Hearing on the CTBT UNSCR Initiative
    September 8, 2016
    The first Senate Committee on Foreign Relations hearing dealing with the Comprehensive Test Ban Treaty (CTBT) in over a decade took place on September 7.
  • The Debate Over Obama’s UNSCR Proposal
    August 17, 2016
    U.S. President Barack Obama is seeking approval for a UN Security Council resolution to reinforce the norm against nuclear testing, in a move that would coincide with the 20th anniversary of the Comprehensive Test Ban Treaty (CTBT), which the United States signed in 1996.
  • Pakistan and a Bilateral Non-Testing Agreement With India
    August 16, 2016
    On Aug. 12, Pakistan announced at a press briefing that it is "prepared to consider translating its unilateral moratorium [on nuclear testing] into a bilateral arrangement on non-testing with India."

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