Several parts of Pakistan, including the city of Lahore, are currently facing huge amounts of smog at record levels. The conditions have had a big impact on people living there and residents have been ...

SMOG checks or emission tests exist due to the U.S. Environmental Protection Agency's (EPA) regulation on passenger vehicles. Each state sets limits of nitrogen oxides (NOx) from emitting past certain ...

As a child growing up in Southern California, Ann Carlson remembers mountains obscured by haze and yellowish brown air that stung her eyes and made her lungs ache. It was just “the environment,” her ...

Federal prosecutors in Sacramento on Thursday unsealed an indictment charging 12 people from around the state with violating the Clean Air Act in what they portrayed as a long-running, sophisticated ...

Even if you weren’t around Los Angeles in 1992, you’ve heard of Rodney King, the man whose videotaped beating at the hands of the LAPD put a match to the ensuing riots. As sometimes destructive ...

Every morning, when you step outside in the garden, you always wonder to see a soft white mist or a thick yellow haze in your garden. But do you ever realise that what you are seeing outside is this ...