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  2. 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]

  3. How to Reduce Noise Pollution in Your Yard

    www.aol.com/news/2010-05-27-how-to-reduce-noise...

    But there are numerous ways to fight noise. We'll start with your yard. Several "green" solutions exist that, when combined, can reduce the perception of noise.

  4. Noise pollution - Wikipedia

    en.wikipedia.org/wiki/Noise_pollution

    Noise pollution, or sound pollution, is the propagation of noise or sound with potential harmful effects on humans and animals. The source of outdoor noise worldwide is mainly caused by machines, transport and propagation systems.

  5. Noise barrier - Wikipedia

    en.wikipedia.org/wiki/Noise_barrier

    The sound tube in Melbourne, Australia, designed to reduce roadway noise without detracting from the area's aesthetics. 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.

  6. Nearly 95 million Americans are living with noise pollution ...

    www.aol.com/lifestyle/nearly-95-million...

    Noise pollution has been linked to metabolic syndrome, a group of health conditions including abdominal obesity and high cholesterol, triglycerides, blood sugar and blood pressure.

  7. Acoustical engineering - Wikipedia

    en.wikipedia.org/wiki/Acoustical_engineering

    Noise control is a set of strategies to reduce noise pollution by reducing noise at its source, by inhibiting sound propagation using noise barriers or similar, or by the use of ear protection (earmuffs or earplugs). [20] Control at the source is the most cost-effective way of providing noise control.