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"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
  • April 1, 2020

    A March 19 test shows the U.S. aim to keep up or surpass Chinese and Russian technology developments.

  • December 11, 2019

    Tensions mount as the United States and North Korea continue to each issue provocative statements ahead of Kim Jong Un’s end-of-year deadline for denuclearization negotiations. Despite the U.S. good-faith suspension of joint military exercises with South Korea, satellite imagery indicates that nuclear and missile development in North Korea is ongoing.

  • December 1, 2019

    An insider’s account of the issues and arguments debated by the key policymakers who finally halted U.S. nuclear weapons testing in 1993.

  • November 1, 2019

    Washington and Pyongyang made little progress at latest round of talks.

  • November 1, 2019

    A mysterious August explosion in Russia occurred during efforts to recover a sunken, nuclear-powered cruise missile, according to a U.S. official.

  • November 1, 2019

    Technical issues are slowing U.S. efforts to upgrade two nuclear warheads.

  • October 28, 2019

    Amb. Timerbaev was a member of the Soviet/Russian diplomatic service for 43 years and participated in negotiations on numerous arms control treaties. We are pleased to be able to share these reflections by the late ambassador with our readers.

  • October 7, 2019

    According to Article XIV of the treaty, the agreement cannot enter into force until it has been both signed and ratified by the 44 countries listed in Annex 2. Governments' call for entry into force of the CTBT was echoed by a group of more than 40 civil society leaders in their own statements.

  • September 23, 2019

    Forty nongovernmental leaders in nuclear nonproliferation and disarmament, as well as former government officials and diplomats, voiced their demand for the entry into force of the 1996 Comprehensive Nuclear Test Ban Treaty (CTBT) at the 11th Conference on Facilitating the Entry into Force of the CTBT.

  • September 1, 2019

    Everybody knows that nuclear weapons have been used twice in wartime and with terrible consequences. Often overlooked, however, is the large-scale, postwar use of nuclear weapons: At least eight countries have conducted 2,056 nuclear test explosions, most of which were far larger than the bombs that leveled Hiroshima and Nagasaki.

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