These cities far exceed the World Health Organization’s (WHO ... Lahore, Pakistan This city is often covered in thick smog due to vehicle emissions, industrial pollution, and crop burning.

In the drive to build smarter cities around the world, what is the most important thing we should do to tackle air pollution? Chokingly thick blankets of smog are often a byproduct of economic ...

Nearly 4 in 10 Americans – or more than 131 million people – lived in areas with unhealthy levels of air pollution in recent years, a new report finds. And the country’s air pollution ...

BEIJING--Authorities issued their highest warnings for fog and haze on Tuesday as smog enveloped major cities in northern China, warning the public that visibility could drop to less than 50 ...