The Arms Control Association is an "exceptional organization that effectively addresses pressing national and international challenges with an impact that is disproportionate to its small size." 

– John D. and Catherine T. MacArthur Foundation
January 19, 2011
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:

  • 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
  • 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."
  • Collisions: A Captivating Virtual Reality Warning on Nuclear Weapons
    August 5, 2016
    August 5 marks the anniversary of the signing of the Partial Test Ban Treaty, which prohibited the testing of nuclear weapons in outer space, underwater, or in the atmosphere. This treaty was signed by representatives of the United States, the Soviet Union, and the United Kingdom, marking an important first step towards controlling and ceasing the harmful results of nuclear testing, such as the tests by the United Kingdom in Western Australia.