The unabated destruction and degradation of the Aravalli range of mountains have ominous consequences which go beyond the adjoining Thar desert. It is posing a grave threat to the ecology of the agriculturally vital north-western states. Particularly at risk is the environment of the National Capital Region of Delhi (NCR), which is already fighting a losing battle against air pollution. More worryingly, a recent desertification-related study undertaken by the Central University of Rajasthan has indicated that this menace is set to exacerbate due to climate change. The fear is that the desert would creep towards the east, causing aridity in

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