Most of the world's population is exposed to polluted air and or those living in cities with chronically bad air, the smog ...

Locals have come to dread the winter in Bishkek, Kyrgyzstan’s capital, with plunging temperatures invariably accompanied by a ...

A thick layer of smog covers the center of Bangkok. The authorities in Bangkok have introduced emergency measures in response to the serious deterioration in the city's air quality. Peter Kneffel/dpa ...