JBJana Baldus

1. Article · Sep 24, 2026 · Jana Baldus |Policy Fellow, Nuclear and Multilateral Disarmament

   We know how to detect a nuclear test. But why shouldn’t we conduct one? (opens the original)

   Excerpt · Critical tone · English

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   30 years after the Comprehensive Nuclear-Test-Ban Treaty (CTBT) opened for signature, its significance should hardly need explaining. The treaty has established a global norm around the prohibition of nuclear explosive testing and created an unparalleled international architecture to detect clandestine nuclear weapon tests. However, at 30, the CTBT faces considerable uncertainty and the global norm against testing can no longer be taken for granted. In October 2025, US President Trump called for

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2. Article · Jul 8, 2026 · Jana Baldus |Policy Fellow, Nuclear and Multilateral Disarmament

   Thirty years later, the ICJ’s advisory opinion on nuclear weapons still matters (opens the original)

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   Nuclear weapons, including threats of using them, have returned to the centre of international politics. From Putin’s repeated nuclear threats during Russia’s war against Ukraine to recent remarks by Trump attempting to use nuclear weapons as instruments of coercive diplomacy in the war in Iran, leaders of nuclear-weapon states have brought dangerous escalatory rhetoric back into everyday politics. Yet 30 years ago today, the International Court of Justice (ICJ), in its landmark advisory opinion

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