Noise pollution
Noise Pollution
Noise pollution (pronounced: /ˈnɔɪz pəˈluːʃən/), also known as environmental noise or sound pollution, is the propagation of noise with harmful impact on the activity of human or animal life. The source of outdoor noise worldwide is mainly caused by machines, transport, and propagation systems.
Etymology
The term "noise pollution" is a combination of the words "noise" (from the Latin nausea, meaning 'disgust' or 'discomfort') and "pollution" (from the Latin polluere, meaning 'to soil or defile').
Related Terms
- Decibel: The unit used to measure the intensity of a sound.
- Sound: Vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear.
- Environment: The surroundings or conditions in which a person, animal, or plant lives or operates.
- Health: The state of being free from illness or injury.
Effects
Noise pollution can cause both short term and long term health problems. Short term exposure to noise pollution can cause temporary changes in blood pressure, heart rate, and hormonal balance. Prolonged exposure to noise pollution can lead to chronic health issues like heart disease, high blood pressure, sleep disturbances, stress, and even learning difficulties in children.
Prevention
Prevention of noise pollution involves measures such as controlling noise at its source, altering the path of noise, and increasing the distance between the noise source and the receiver. Other measures include the use of noise barriers, limitation of vehicle speeds, alteration of roadway surface texture, limitation of heavy vehicles, use of traffic controls that smooth vehicle flow to reduce braking and acceleration, and use of other methods such as quieting the interiors of vehicles.
External links
- Medical encyclopedia article on Noise pollution
- Wikipedia's article - Noise pollution
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