Mexico City takes drastic steps to tackle air pollution

Last Modified: Fri Apr 01 2016 04:48:39 GMT+0530 (India Standard Time)
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    day a week - all cars ordered off the roads in Mexico City to tackle air pollution.
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    Saturday a month vehicles must stay off the road, in addition to the 1 day rule, as the Mexican capital grapples with its worst air-quality crisis in over a decade.