Presence of excessive or unwanted sounds in the environment is called noise pollution.

The three sources of noise pollution in our locality are:

⇒ High volumes of televisions and transistors.

⇒ Bursting of crackers.

⇒ Loudspeakers in parties.

⇒ Horns pf vehicles.

⇒ Generators without silencers.

⇒ Bikes without silencers. (Any three)