Smog usually consists of soot particles, sulfur dioxide, and other compounds. The citizens of Los Angeles initially blamed the pollution on oil refineries and factories, and they were partly right.

the skyline is often encased in a dome of smog. As Africa urbanises and industrialises, its economic growth is powered by ...

The Chinese capital has for many years suffered from serious air pollution. Primary sources of ... A particularly severe smog engulfed the city for weeks in early 2013, elevating public awareness ...

Nearly 4 in 10 Americans – or more than 131 million people – lived in areas with unhealthy levels of air pollution ... exposure to ozone pollution, often thought of as smog, as well as short ...

India's air pollution crisis, initiatives, challenges, and solutions analyzed by urban systems scientist Ajay S. Nagpure.

Air pollution is a major contributor to global mortality rates, noted Brun. Images of the Great Smog of London in 1952 might suggest that the worst air pollution was in the past. This disaster ...

In gridlocked Nairobi, elderly minibus taxis belch black smoke into the fume-filled air. Driving into Johannesburg, the skyline is often encased in a dome of smog. As Africa urbanises and ...

LAHORE: Tens of millions of Pakistanis spent at least four months breathing toxic air pollution 20 times above safe levels, in the worst winter smog season for several years, according to data ...