The Economist -
24 Nov 2016 17:49

TO LAND at Indira Gandhi Airport is to descend from clear skies to brown ones. Delhi's air is toxic. According to the World Health Organisation, India's capital has the most polluted atmosphere of all the world's big cities. The government is trying to introduce rules that will curb emissions--allowing private cars to be driven only on alternate days, for example, and enforcing better emissions standards for all vehicles. But implementing these ideas, even if that can be done successfully, will ...
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