One of the formal definitions of air pollution is as follows – 'The presence in the atmosphere of one or more contaminants in such quality and for such duration as is injurious, or tends to be injurious, to human health or welfare, animal or plant life.' It is the contamination of a...

INTRODUCTION Imagine one day having to walk outside wearing a mask; or not being able to open the windows of your house on a cool spring day. Or even worst, imagine looking out of you window and not seeing any form of life. All the vegetation has died off due to acid rain and severe damage from s...