2. POLLUTION
It is the introduction of contaminants into the natural
environment that cause adverse change.
Pollution can take form of chemical substance or
energy such as noise, heat or light.
Pollutants are the components of pollution can be
either foreign substance or naturally occurring
contaminants.
3. Types of pollution
Air pollution
Water pollution
Noise pollution
Soil pollution
Thermal pollution
E-waste pollution
4. NOISE POLLUTION
It is the disturbance or excessive noise that may harm
the activity or balance of human or animal life.
Noise is generally used as an unwanted sound or sound
produces unpleasant effects and discomfort on the
ears.
Sound that is unwanted or disrupts one’s quality of life
is called as noise. When there is lot of noise in the
environment, it is termed as noise pollution.
Sound becomes undesirable when it disturbs the
normal activities such as working, sleeping, and during
conversations
5. It is an underrated environmental problem because of
the fact that we can’t see, smell, or taste it.
World Health Organization stated that “Noise must be
recognized as a major threat to human well-being”
6. Sources of Noise Pollution
Transportation systems are the main source of noise
pollution in urban areas.
Construction of buildings, highways, and streets cause a lot
of noise, due to the usage of air compressors, bulldozers,
loaders, dump trucks, and pavement breakers.
Industrial noise also adds to the already unfavorable state
of noise pollution.
Loud speakers, plumbing, boilers, generators, air
conditioners, fans, and vacuum cleaners add to the existing
noise pollution.
7. Effects of noise pollution
Generally, problems caused by noise pollution include
stress related illnesses, speech interference, hearing
loss, sleep disruption, and lost productivity.
Rise in blood pressure
Physical development of fetous.
Reduce concentration.
Causes serious mental disorders.
8. Remedial measures
Planting trees
Regular serving of automobiles.
Building can be designed with suitable noise absorbing
materials for the walls, window and sealing
Proper lubrication and maintains of machines.
Workers should provided with ear plugs for hearing
protection.
Factories and industries should located far from residential
area.
9. How to control noise pollution?
The source of the noise must me reduced
The path of transmission of sound must be stopped
and receiver of noise must be safe guarded.
A general awareness programs to educate the people
must be done.
Legal laws must be established and observed to
prevent noise pollution.
10. Role of individuals in preventing the
degradation of the quality of environment
Reduce air pollution by driving less or by good driving
habits.
Waste minimization.
Educate citizens about wise use of water and water
resources.
Recycling of Mobil phones.
Sign up to renewable energy supplier.
Use organic food and fertilizers.
Buy cotton products such as clothes, bags and shoes in
ecofriendly way.
11. Use safer chemicals in labs.
Use rechargeable batteries and electronic items.
Use less harmful detergents in your home and at work
place.
Academic institutions should offer courses such as
environmental studies, management etc.
