Smog usually consists of soot particles ... given the significant petroleum industry in Southern California and the number of cars on the road there. Gasoline is made up of organic compounds, some of ...

When the smog finally lifted ... to keep his nephew on the road. He carried a powerful hurricane lantern in one hand, but it was useless. 'It's like you were blind,' says Cribb." ...

One issue is the sheer volume of road traffic, says Cheema. “Motorbikes are a major contributor to Pakistan’s smog problem,” he explains. “They serve as a primary mode of transport for the ...