Why in the News?
China has rejected President Trump’s claim of secret nuclear tests, reaffirming its commitment to the CTBT amid renewed U.S. calls for nuclear testing and revived Cold War–style tensions.
About Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO):
- Establishment: Formed in 1996 under the Comprehensive Nuclear-Test-Ban Treaty (CTBT) to build and operate a verification regime ensuring compliance with the global ban on nuclear explosions.
- Headquarters: Vienna, Austria.
- Mandate: To monitor adherence to the CTBT through a global verification system capable of detecting any nuclear test anywhere in the world.
- Verification System: Operates the International Monitoring System (IMS) with 337 facilities, including seismic, hydroacoustic, infrasound, and radionuclide stations to detect underground, underwater, or atmospheric nuclear tests.
- Data Centre: The International Data Centre (IDC) analyses and distributes real-time data to member states, providing early warning of suspicious activities.
- Preparatory Commission: Functions until the CTBT formally enters into force, maintaining operational readiness and supporting states’ verification capabilities.
- Scientific Applications: The IMS also contributes to tsunami warning systems, atmospheric research, and disaster response, reinforcing the CTBTO’s global utility beyond disarmament.
Back2Basics: How are CTBT and NPT related?
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Status of the Treaty and Ratification Gap:
- Adoption: It was adopted by the UN General Assembly in 1996 and opened for signature on September 24, 1996.
- Membership: As of 2025, 187 states have signed and 178 have ratified the treaty.
- Enforcement: It will become legally binding only after 44 specific “Annex 2” states, those with nuclear technology at the time ratify it.
- Pending Ratifications: Eight critical states have not ratified the treaty- China, Egypt, Iran, Israel, and the United States (signatories but unratified), and India, Pakistan, and North Korea (non-signatories).
- Recent Setback: In 2023, Russia revoked its ratification, though it continues to observe a testing moratorium, weakening the treaty’s political momentum.
- Global Compliance: Despite legal limbo, a de facto moratorium on nuclear testing has largely held since the 1990s; only North Korea has violated it with tests since 2006.
- Significance: The CTBT remains a cornerstone of the global non-proliferation regime, its verification network providing both deterrence and transparency even without formal legal enforcement.
| [UPSC 2015] Consider the following countries:
1. China 2. France 3. India 4. Israel 5. Pakistan Which among the above are Nuclear Weapons States as recognized by the Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as Nuclear Non-Proliferation Treaty (NPT)? (a) 1 and 2 only * (b) 1, 3, 4 and 5 only (c) 2, 4 and 5 only (d) 1, 2, 3, 4 and 5 |