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Project for the CTBT
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.
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Tuvalu and Gambia ratify the CTBT.
Cuba and Comoros ratified the CTBT in February 2021, becoming the 169th and 170th states, respectively, to deposit their instruments of ratification.
Members of Congress continue to push back against the Trump administration’s reported consideration of a nuclear weapons test as negotiators from the House and Senate soon meet to determine whether to allocate funds for such a potential test in next year’s defense bill.
On May 15, the Trump administration reportedly discussed conducting an explosive nuclear test, which the United States has not done since 1992.
The website for the Project for the CTBT has recently moved here, to the Arms Control Association. Welcome to its new home!
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.
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.
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.
In this inspiring TED talk, Togzhan Kassenova reminds us of Kazakhstan's history as a Soviet Union nuclear test site. She tells the story of the fight of the Kazakh people to stop nuclear tests on their land.
On November 26, 2018, the Seventy-Third Session of the UN General Assembly met in New York, where the “Cooperation between the United Nations and the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO)” resolution was adopted.