A mysterious thick fog has swept across the US with multiple communities reporting a "burning chemical-like smell," akin to a similar event last year when 70 million people were engulfed in dense fog.

Unlike anti-larval operations, fogging is a cost-intensive operation as it involves vehicles and diesel consumption. Further, the chemicals used for fogging might be a potential health risk for ...

Down in Florida, residents have been haunted by a strange specter: a lingering and super-dense fog that allegedly smells like chemicals and is making people sick. As USA Today reports ...

But what is smog? What were the pieces that made up this chemical puzzle? And how did Los Angeles free itself from this toxic nuisance and bring back “sunny California”? The term “smog” is a ...