Page 173 - Health, Population and Environment Education 9

d. Tunning on to the electrical equipment like radio, television, loudspeaker, etc. in large
volume increases sound pollution.
e. Organization of concerts and festivals causes sound pollution in city areas.
f. Howling and shouting during sport activities in the stadium increase sound pollution.
g. Landing and taking off of aeroplane increase sound pollution.

h. Rocket launching leads towards sound pollution.
i. Explosions, use of fire crackers, nuclear tests, etc. cause sound pollution.
j. Enchanting ‘mantras’ and playing musical instruments during religious functions
also increase sound pollution.

Effects of sound pollution
The high intensity of sound produced affects ear drum and causes several physical and
mental problems. Some of the effects of sound pollution are as follows:
a. It causes hearing problem.
b. It disturbs our concentration.

c. It interferes our conversation.
d. It increases mental tension and stress.
e. It makes people angry and irritated.

f. It makes people physically tired and weak.
g. It causes sleeplessness (insomnia).
h. It increases blood pressure, heart beat, kidney problem, liver problem, etc.

Control measures of sound pollution
Sound pollution cannot be totally controlled; it can simply be reduced. Some of the control
measures of sound pollution are as follows:

a. Industries should be established far away from the settlement areas.
b. People should put cotton or ear plug or helmet while working in industries.
c. Tunning on to musical instruments or electrical equipments should be done in low
volume.
d. The walls of industries and cinema halls should be made with sound proof materials.
e. Various technologies should be applied to reduce sound produced from industries
and vehicles.
f. Airports should be made far away from settlement areas.
g. The festivals and concerts should be organized in proper way.

GREEN Environment Population and Health Education Book-9 173