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  2. Noise pollution - Wikipedia

    en.wikipedia.org/wiki/Noise_pollution

    Research suggests that noise pollution in the United States is the highest in low-income and racial minority neighborhoods, [5] and noise pollution associated with household electricity generators is an emerging environmental degradation in many developing nations. [6]

  3. Noise control - Wikipedia

    en.wikipedia.org/wiki/Noise_control

    Electric and hybrid vehicles could reduce noise pollution, but only if those vehicles make up a high proportion of total vehicles on the road; even if traffic in an urban area reached a makeup of fifty percent electric vehicles, the overall noise reduction achieved would only be a few decibels and would be barely noticeable. [12]

  4. Environmental noise - Wikipedia

    en.wikipedia.org/wiki/Environmental_noise

    Environmental noise is an accumulation of noise pollution that occurs outside. This noise can be caused by transport, industrial, and recreational activities. [1] Noise is frequently described as 'unwanted sound'. Within this context, environmental noise is generally present in some form in all areas of human, animal, or environmental activity.

  5. Noise barrier - Wikipedia

    en.wikipedia.org/wiki/Noise_barrier

    A noise barrier (also called a soundwall, noise wall, sound berm, sound barrier, or acoustical barrier) is an exterior structure designed to protect inhabitants of sensitive land use areas from noise pollution. Noise barriers are the most effective method of mitigating roadway, railway, and industrial noise sources – other than cessation of ...

  6. Health effects from noise - Wikipedia

    en.wikipedia.org/wiki/Health_effects_from_noise

    Noise health effects are the physical and psychological health consequences of regular exposure to consistent elevated sound levels. Noise from traffic, in particular, is considered by the World Health Organization to be one of the worst environmental stressors for humans, second only to air pollution. [2]

  7. Noise measurement - Wikipedia

    en.wikipedia.org/wiki/Noise_measurement

    Noise measurement can also be part of a test procedure using white noise, or some other specialized form of test signal.In audio systems and broadcasting, specific methods are used to obtain subjectively valid results in order that different devices and signal paths may be compared regardless of the inconsistent spectral distribution and temporal properties of the noise that they generate.

  8. Noise Control Act - Wikipedia

    en.wikipedia.org/wiki/Noise_Control_Act

    Since then, starting in 1982, the primary responsibility to addressing noise pollution shifted to state and local governments. [2] The Environmental Protection Agency (EPA) retains authority to conduct research and publish information on noise and its effects on the public, which is often included nowadays in environmental impact assessments ...

  9. Point source pollution - Wikipedia

    en.wikipedia.org/wiki/Point_source_pollution

    Man-made, natural, and groundwater reservoirs can all be contaminated by point source pollution which can threaten human health and safety. [5] Noise pollution from a jet engine [6] [7] Disruptive seismic vibration from a localized seismic study [8] Light pollution from an intrusive street light [9]

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