Air Quality: What Happened to Our Air?

We all remember as children how cleaner the air was then. You could walk unpaved roads and still not experience so much dust as there were only so many vehicles plying the roads – perhaps, a car or two, a horse-drawn carriage and a few bikes were all you would encounter on your way to school over less than a kilometer distance from home to school. Well, this was how it was for many of us who lived in a small town back in our youth.