The head of the Comprehensive Test Ban Treaty Organization offers his agency's capabilities to verify
the dismantlement of the Punggye-ri nuclear test site.
New Analysis by CTBTO Executive Secretary Lassina Zerbo Published in Arms Control Today
Thailand becomes 167th country to ratify the treaty.
North Korea Urged to Sign CTBT
G-7 Ministers Snub Ban Treaty
More than two decades after the opening for signature of the Comprehensive Test Ban Treaty (CTBT), the treaty has near universal support and has established a global norm against nuclear test explosions. The nuclear testing taboo impedes the development of new and more advanced nuclear warhead designs, which helps prevent dangerous nuclear competition, and maintain international security.