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Questions and Answers
What is the estimated number of premature deaths caused by noise pollution according to the European Environment Agency?
Above what decibel level is sound considered noise pollution according to the World Health Organization?
What is the primary source of noise pollution in cities?
At what decibel level does noise become painful?
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What is the recommended maximum daytime noise level to prevent harm?
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What is the typical decibel level of noise produced by a howling or barking dog?
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What is a possible effect of constant loud noise on human health?
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At what decibel level does noise stop you from falling asleep or sleeping properly?
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What is an effect of loud noise on behavior?
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How long does it take for the ears to recover from two hours of exposure to 100 dB?
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Study Notes
Noise Pollution
- Noise pollution is a type of pollution that is severely damaging to human beings, responsible for 12,000 premature deaths and 48,000 new cases of ischaemic heart disease annually.
- Noise pollution also has an enormous environmental impact, damaging wildlife and contributing to the extinction of some species.
Definition of Noise Pollution
- The World Health Organization (WHO) defines noise above 65 decibels (dB) as noise pollution.
- Noise becomes harmful when it exceeds 75 decibels (dB) and is painful above 120 dB.
Causes of Noise Pollution
- Traffic noise is a major contributor to noise pollution, with car horns producing 90 dB and buses producing 100 dB.
- Air traffic noise is also a significant contributor, with a single aircraft producing 130 dB.
- Construction sites, catering, and nightlife also generate significant noise pollution.
Effects of Noise Pollution
- Noise pollution can cause physical health problems, including respiratory agitation, racing pulse, high blood pressure, headaches, and even heart attacks.
- Psychological effects include stress, fatigue, depression, anxiety, and hysteria.
- Noise pollution can also cause sleep and behavioral disorders, and affect memory and concentration.
Solutions to Noise Pollution
- International bodies like the WHO agree that awareness of noise pollution is essential to mitigate its effects.
- Solutions include avoiding noisy leisure activities, using alternative transportation, doing housework during recommended times, and insulating homes with noise-absorbing materials.
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Description
Noise pollution in cities is a growing concern, causing harm to human health and the environment. Learn about the effects of noise pollution and its impact on our well-being.
