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Saturday, 14 May 2016

Why our northern plains are world's most polluted area

NEW DELHI: The northern Indian plains have again come into focus as one of the globe's most-polluted regions, with nine of the world's 20 most polluted cities in the 2016 WHO urban air pollution database from this swathe of land.

What make this region's air so foul? It's a confluence of factors, say experts, with geography, climate, population, agricultural practices as well as fossil fuel emissions all playing a part.

"A major reason for high pollution in the Indo-Gangetic plains is its geography. Located next to the Himalayas, this is a wind convergence zone which transports pollution from other places into these region," said Gufan Beig, project director of System of Air Quality and Weather Forecasting and Research (SAFAR), which monitors air quality in a number of cities.

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