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Air pollution: Delhi’s smog problem is rooted in India’s water crisis

Every winter, Indian capital Delhi’s toxic air is fuelled by farmers burning crop stubble. The burning fields is a symptom of the deteriorating relationship between India and its water – groundwater in particular, which is used to bridge the gap between planting rice and the onset of the monsoon rains, so that a further wheat crop can be grown later. The quickest way to clear the fields of stubble to plant paddy is to burn them. The result is air pollution and over-abstraction of groundwater.

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