The risk of nuclear war does not rest on a single decision. It accumulates, test by test, each explosion edging the world closer to potential catastrophe. That escalation carries a cost of its own, too: Every nuclear weapon test leaves a scar on land and on water, and some who lived near test sites have carried that cost for generations, long after the testing itself ended. The International Day against Nuclear Tests (IDANT) exists because those dangers remain part of our shared history, and because governments still face the same choice every year. There was a time when the ground shook often. For four decades, the test site at Semipalatinsk was one of the places that felt it most, until its closure 35 years ago silenced a stretch of the Kazakh steppe. That decision reflected a broader shift away from nuclear testing. In the years before the Comprehensive Nuclear-Test-Ban Treaty (CTBT), opened for signature in 1996, more than 2,000 such explosions were carried out. Since, fewer than a dozen. That the tremors grew rare is not an accident of history. It is a choice, made and remade by
