light pollution reduction

  • 1Light pollution — This article is about light pollution in the visible spectrum. For information on pollution in the radio spectrum, see radio spectrum pollution. This time exposure photo of New York City at night shows skyglow, one form of light pollution …

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  • 2Pollution lumineuse — L’expression pollution lumineuse (light pollution, ou photopollution pour les anglophones) désigne à la fois la présence nocturne anormale ou gênante de lumière et les conséquences de l éclairage artificiel nocturne sur la faune, la flore, la… …

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  • 3pollution — noun ADJECTIVE ▪ air, atmospheric, environmental, marine, river, water ▪ agricultural, chemical, industrial, toxic …

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  • 4Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …

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  • 5Noise pollution — A Boeing 747 400 passes close to houses shortly before landing at London Heathrow Airport Noise pollution is excessive, displeasing human, animal or machine created environmental noise that disrupts the activity or balance of human or animal life …

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  • 6Marine pollution — While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm. Marine pollution occurs when harmful, or potentially harmful effects, can result from the entry… …

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  • 7Mobile source air pollution — includes any air pollution that is emitted by motor vehicles, engines, and equipment that can be moved from one location to another. Many of these pollutants contribute to environmental degradation and negative human health effects. To prevent… …

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  • 8Air pollution — from World War II production Smog over …

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  • 9Mobile emission reduction credit — Energy portal A mobile emission reduction credit (MERC) is an emission reduction credit generated within the transportation sector. The term “mobile sources” refers to motor vehicles, engines, and equipment that move, or can be moved, from place… …

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  • 10Mobile Emission Reduction Credit (MERC) — A Mobile Emission Reduction Credit (MERC) is an emission reduction credit generated within the transportation sector. The term “Mobile Sources” refers to motor vehicles, engines, and equipment that move, or can be moved, from place to place. [ US …

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