June 11, 2009

Noise pollution cause serious health damage

Noise pollution is one kind of energy pollution. It occurs when the exposure of people or animals to levels of sound that are annoying, stressful, or damaging to the ears.Normally the sound that affect wildlife, human activity, or are capable of damaging physical structures on a regular, repeating basis may term as sound pollution.
In rural areas, train and airplane noise can disturb wildlife habits, thereby affecting the manner in which animals in areas around train tracks and airports hunt and mate.
On city streets noise pollution can be caused by hydraulic horns of vehicles (the most harmful offenders), microphones and cassette players. The hydraulic horns used by buses, trucks and scooters in the crowded city streets are dangerous for human being.
Noise intensity is measured in decibel (dB) units. At 45 dB of noise the average person generally cannot sleep. At 120 dB the ear registers pain; hearing damage begins at a much lower level, about 85 dB.
According to the World Health Organization (WHO), generally 60 dB sound can make a man deaf temporarily and 100 dB sound can cause complete deafness.The DOE (Department of Environment) states that noise causes mental and physical illness among the people. It causes high blood pressure, headache, indigestion, tachycardia, peptic ulcer, and also affects sound sleep. Anyone may become deaf for the time being if 100 dB or more noise pollution occurs for half an hour or more in any place.

Steps that can be taken to prevent it :

(1) Implementation of the Noise Control Rules.
(2) Complete banning of the vehicular hydraulic horns in any place of the country.
(3) Expanding the monitoring programs at the main traffic points to determine whether the
vehicles follow the orders or not.
(4) Improving traffic control.
(5) To be relocated the bus/truck terminals at the out side of city.
(6) Banning the loudspeakers from processions and meetings, high volume of audio players
from roadside small business enterprises.
(7) Banning industrial activity in residential areas.
(8) To be established underground and overhead transportation system in the city.
(9) Growing public awareness on sound pollution.

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