- The presence of unwanted and unpleasant sounds in the earth's environment is called noise pollution.
- Human beings can hear sounds ranging up to \(85\) \(decibels\). Above that, any sound can damage our hearing power.
- The unwanted noise in the environment harms the health of the organisms present on the earth.
Sound produced by cutting machines
Health hazards due to noise pollution:
- Irritation, stress, nervousness, and headaches are all possible side effects of noise.
- Long-term noise exposure can alter a person's sleeping pattern.
- Long-term noise exposure can impair hearing ability. It can sometimes result in hearing loss.
- Sudden exposure to louder noise can result in a heart attack and knocking out.
- It causes a lack of concentration in one’s work.
- The noise of horns, loudspeakers, etc., cause disturbances are leading to a lack of concentration.
- Noise pollution affects a person’s peace of mind. It adds to the existing tensions of modern living. These tensions result in diseases like high blood pressure or short-tempered nature.
Prevention of Noise Pollution:
- Factories and industries should be set up at a distance from residential areas.
- Silencing devices should be installed in heavy vehicles such as aircraft, industrial equipment, machinery and other home appliances.
- Usage of horns should be reduced, especially near public places such as schools, religious places and hospitals.
- Soundproofing systems should be installed in party halls, industries and other buildings that produce a huge amount of unwanted sounds.
- Trees should be planted in huge numbers as they can absorb unwanted noise from the environment.
Various reasons cause hearing loss. Some of them are listed below.
- Ear infections if not treated
- Certain medicines
- Genetic disorders
- A severe blow to the head
- Loud noise