"No one can solve this problem alone, but together we can change things for the better." 

– Setsuko Thurlow
Hiroshima Survivor
June 6, 2016
Nuclear Testing
  • September 1, 2019

    An innovative verification approach could help build confidence that North Korea is complying with any denuclearization agreement in the future.

  • September 1, 2019

    The co-chair of the Ban Ki-moon Centre warns of an unraveling system of restraints on the nuclear powers.

  • September 1, 2019

    France Admits Nuclear Coercion in Polynesia

  • August 16, 2019

    In prepared remarks delivered at the Hudson Institute May 29, the Director of the Defense Intelligence Agency (DIA), Lt. Gen. Robert Ashley, Jr., charged that “Russia probably is not adhering to its nuclear testing moratorium in a manner consistent with the ‘zero-yield’ standard outlined in the 1996 Comprehensive Test Ban Treaty (CTBT).”

  • July 9, 2019

    This new report is the fourth in a series that assesses the extent to which 11 key states are fulfilling, promoting, or undermining 10 standards identified as critical elements of the nonproliferation and disarmament regime. Collectively, states fared worse on the majority of criteria when compared with the prior edition covering the 2013–2016 period.

  • July 1, 2019

    U.S. accusations raise concerns that the Trump administration may withdraw from another multilateral arms control pact.

  • July 1, 2019

    A top U.S. intelligence official publicly accused Russia in May of not complying with the 1996 Comprehensive Test Ban Treaty (CTBT), raising concerns that the Trump administration may be considering withdrawing from another multilateral arms control agreement. The allegation is a significant shift from recent U.S. government and intelligence community assessments.

  • June 30, 2019

    The bi-annual Comprehensive Nuclear Test Ban Treaty Organization (CTBTO) Science and Technology Conference (SnT2019) took place June 24-28 at the Hofburg Palace in Vienna. The conference gathered ideas and perspectives from over one thousand participants, representing the most diverse regions of the world.

  • May 29, 2019

    The director of the Defense Intelligence Agency stated Wednesday that the United States believes that Russia "probably" is not adhering to its obligations outlined in the Comprehensive Test Ban Treaty, but offered no public evidence to support the claim of illegal Russian testing.

  • February 15, 2019

    On Wednesday, February 13, 2019, the Republic of Zimbabwe deposited its instrument of ratification of the CTBT to the United Nations. This follows the Kingdom of Thailand’s ratification on September 25, 2018.