Kuwait City has ranked among the world’s top 10 most polluted cities, as residents experience very poor air quality driven by ...

Economic growth and car ownership are driving worsening air quality, with the problem magnified by Central Asia’s ...

New Delhi (CNN) — It’s easy to tell when it’s smog season in New Delhi; the air gets darker, heavier and starts scratching the throats and testing the lungs of the city’s 34 million residents.

Smog settles around Delhi's famed Red Fort in the early hours of November. - Sanchit Khanna/Hindustan Times/Getty Images It’s easy to tell when it’s smog season in New Delhi; the air gets darker, ...