Shervin Taheran

Authored by on February 29, 2016

Japan’s Prime Minister Shinzo Abe welcomed Egyptian President Abdel-Fattah El-Sisi for an official visit to Japan from Feb. 29-March 2. According to a joint statement issued Feb. 29, they discussed a range of bilateral and international issues, including nuclear nonproliferation, disarmament and the CTBT. On these issues, the statement says: “Both leaders determined to cooperate for realization of a peaceful and secure world free of nuclear weapons. Prime Minister Abe expressed the importance of the Comprehensive Nuclear-Test-Ban Treaty (CTBT) and President El-Sisi took note. They…

Authored by on February 23, 2016

The United States should ratify the treaty banning nuclear tests “the sooner the better”, according to George Shultz, a former Republican presidential adviser known best as the Secretary of State under Ronald Reagan.

Authored by on February 11, 2016

Noting that CTBT entry into force is, unfortunately, still many years away, a number of U.S.-based NGOs are actively pursuing a campaign aimed at UN Security Council members and other “Friends of the CTBT” states to pursue a non-binding UN Security Council resolution and a parallel UN General Assembly measure to reinforce the norm against testing. On Feb. 11, the Arms Control Association and the Stimson Center co-hosted an event to explain the rationale for such an initiative. At the event (video and transcript of which is available online) they recommend support for a non-binding…

Authored by on January 29, 2016

Israel’s permanent representative to the International Atomic Energy Agency (IAEA) and Comprehensive Test Ban Treaty Organization (CTBTO), Merav Zafary-Odiz said “a regional moratorium [on nuclear testing] could enhance security, and potentially lead to a future ratification of the CTBT. Israel has announced its commitment to a moratorium, it would be useful for others to do the same.” Zafary-Odiz’s statement came during a Jan. 27 panel at the CTBTO’s Symposium on “Science and Diplomacy for Peace and Security” in Vienna. She also noted that a region-wide test ban would enhance security…

Authored by on January 19, 2016

In 2009, the Arms Control Association launched this project to help disseminate information, ideas, and analysis about the “longest-sought, hardest-fought prize” in arms control—the Comprehensive Test Ban Treaty (CTBT)—and the steps to bring it into force. Since then, we’ve seen progress in many areas, including: ratification of the treaty by key states; preparations by key states, including the United States, to bring the treaty to a vote on ratification; and continued progress by the Comprehensive Test Ban Treaty Organization (CTBTO) to monitor and verify compliance. At the same time,…

Authored by on January 7, 2016

On Jan. 6, North Korea conducted its fourth underground nuclear weapons test explosion. The government in Pyongyang claims it conducted a successful test that “scientifically verified the power” of a small hydrogen bomb. The statement claims that the test signifies a “higher stage” of development of North Korea’s nuclear force. Initial readings from seismic stations in the region, however, strongly suggest the yield of the blast was slightly smaller than the February 2013 nuclear test. According to the Vienna-based Comprehensive Test Ban Treaty Organization (CTBTO), the “initial location…

Authored by on December 15, 2015

This past October, Undersecretary of State for Arms Control and International Security Rose Gottemoeller visited several states where the United States conducted some of the 1,030 nuclear weapons test explosion before the end of nuclear weapons testing in September 1992. Her mission: to speak about the enduring value of the 1996 Comprehensive Test Ban Treaty (CTBT)—which the United States was the first to sign but is still among the last few that has not yet ratified. Undersecretary Gottemoeller’s tour did not begin and end in Nevada, where the United States conducted 921 nuclear test…

Authored by on November 2, 2015

Authored by on October 28, 2015

On Oct. 27, Japanese Prime Minister Shinzo Abe and Kazakh President Nursultan Nazarbayev signed and adopted a joint statement in support of the early entry into force of the Comprehensive Test Ban Treaty (CTBT). Japan and Kazakhstan were selected to be the Co-Chairs of the 2015 Article XIV Conference on facilitating the entry into force of the CTBT and to lead the international efforts to implement the CTBT for the following two years. A PDF of the full statement is available here, in Japanese, English, and Russian. The press statement by the Comprehensive Test Ban Treaty Organization is…

Authored by on October 22, 2015

Secretary of State John Kerry refocused attention on the Comprehensive Test Ban Treaty (CTBT) and its value to U.S. security with remarks about the treaty at an Oct. 21 event. He said that "in the months to come, we're going to reopen and re-energize the conversation about the treaty on Capitol Hill and throughout our nation."Kerry delivered his remarks at an event hosted by the National Nuclear Security Administration (NNSA) to celebrate the 20th anniversary of President Bill Clinton's 1995 declaration to pursue a zero-yield Comprehensive Test Ban Treaty (CTBT). The event also featured a…