From the smog–choked streets of Delhi to the suffocating skies over Eastern Europe, air pollution is a deadly threat to city dwellers all around the world. Now, terrifying charts have revealed the ...

A new report on air quality across the United States offered a cloudy prognosis on the long-term health of about 156 million residents who live in areas that received an "F" in smog and soot pollution ...

SARAJEVO, Dec 20 (Reuters) - A blanket of fog and smog descended on the Bosnian capital of Sarajevo this week, reducing daytime visibility to a few dozen metres and forcing residents indoors as ...