Noise Pollution

Noise is defined as 'unwanted sounds' being 'dumped' into atmosphere to disturb the unwilling ears. It effects our physiological and mental health. A sound of over 115 decides is harmful for ears. They city noise is often sufficient to deafen people gradually, at least partially with advancing age.

Sources of Noise Pollution
High intensity sound from industrial machines, supersonic aeroplanes, bomb blasts, exploding of crackers, blaring radios and loudspeakers, slogans shouting city crowd, traffic noise etc.