Cloud seeding was never meant to be a silver bullet to solve the very serious problem of air pollution in Delhi, where indices were recorded in the “poor” category on Thursday and are expected to deteriorate further. But the failure of cloud seeding trials to produce any precipitation in the capital last week was disappointing. These first attempts have not had any meaningful impact. The Delhi government stalled the trials saying they would be carried out again, indicating that such attempts could be fruitful when the moisture content in the clouds is higher. However, a study by Indian Institute of Technology Delhi suggests that is an illusory goal, as it found the city’s winter season (October to February) to be unsuitable for cloud seeding . The study cited “a fundamental lack of suf

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