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Can Delhi Clean Up Its Air?
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Delhi is one of the worst polluted cities in the world. Radical ideas like skyscraper-sized air purifiers are being proposed to clean the smog \\u2013 can they work? There are lessons to be learned from other cities around the world about how to manage emissions. But will any city\\u2019s air ever be really clean?
(Image: A heavily polluted street in Delhi. Photo Credit: Arvind Yadav/Getty Images)
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