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1. Dictionary

   light pollution

   noun

   • 1. brightening of the night sky caused by street lights and other man-made sources, which has a disruptive effect on natural cycles and inhibits the observation of stars and planets: "for many astronomers light pollution has been a disaster"

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2. • Unwanted or excessive artificial light

     
     • light pollution, unwanted or excessive artificial light. Like noise pollution, light pollution is a form of waste energy that can cause adverse effects and degrade environmental quality.
     www.britannica.com/science/light-pollution

     Light pollution | Definition, Causes, Impacts, & Facts ...

3. People also ask

   What is light pollution?

   • Light pollution is unwanted or excessive artificial light. It is a form of waste energy that can have adverse effects on birds and other migratory animals and degrade environmental quality. Artificial light is typically generated by electricity, which itself is usually generated by the combustion of fossil fuels.

   Light pollution | Definition, Causes, Impacts, & Facts | Britannica

   www.britannica.com/science/light-pollution

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   What causes light pollution?

   • Street lighting, domestic and commercial lights, vehicles and security lights all contribute to the creation of a dome-like shield of light pollution called skyglow, according to the International Dark-Sky Association. Along with skyglow, light pollution consists of glare, light trespass and clutter.

   Light pollution: Environmental impact, health risks and facts

   www.livescience.com/light-pollution

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   Is light pollution a problem?

   • Light pollution is a problem almost all humans encounter on a daily basis. According to a 2016 study published in Science Advances, over 80% of the planet lives under light-polluted skies. That number shoots up to over 99% when looking at only Americans and Europeans.

   Light pollution - what it is and how to reduce its impact | World

   www.weforum.org/agenda/2023/01/light-pollution-everything-you-need-to-know/

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   How does light pollution affect the environment?

   • Light pollution can have serious implications for our environment and even our health. Street lighting, domestic and commercial lights, vehicles and security lights all contribute to the creation of a dome-like shield of light pollution called skyglow, according to the International Dark-Sky Association.

   Light pollution: Environmental impact, health risks and facts

   www.livescience.com/light-pollution

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   How does light pollution affect human health?

   • Human health impacts have been tied to light pollution exposure. As many wild creatures rely on natural sunlight and moonlight conditions to complete critical life functions, like reproducing or migrating, light pollution weighs heavily on their ability to do so. Experts say light pollution is a sign of energy inefficiency. What is light pollution?

   Light pollution - what it is and how to reduce its impact | World

   www.weforum.org/agenda/2023/01/light-pollution-everything-you-need-to-know/

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   What are the different types of light pollution?

   • Light pollution is caused by inefficient or unnecessary use of artificial light. Specific categories of light pollution include light trespass, over-illumination, glare, light clutter, and skyglow. A single offending light source often falls into more than one of these categories. [ 9 ][ 10 ]

   Light pollution - Wikipedia

   en.wikipedia.org/wiki/Light_pollution

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4. en.wikipedia.org › wiki › Light_pollutionLight pollution - Wikipedia

   en.wikipedia.org › wiki › Light_pollution

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   Light pollution is the presence of any unwanted, inappropriate, or excessive artificial lighting. [1] [2] In a descriptive sense, the term light pollution refers to the effects of any poorly implemented lighting sources, during the day or night. Light pollution can be understood not only as a phenomenon resulting from a specific source or kind ...

5. earth.org › what-is-light-pollutionExplainer: What Is Light Pollution? - Earth.Org

   earth.org › what-is-light-pollution

   Dec 24, 2021 · Light pollution is any inappropriate or excessive use of artificial light that affects humans, wildlife, and the climate. Learn how light pollution harms sea turtles, clownfish, insects, and human health, and what are some solutions to reduce it.

6. Videos

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     Light Pollution 101 | National Geographic

     25 Jan 2019

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     Why you should care about light pollution

     22 Jan 2021

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     weforum.org

     Light pollution: Everything you need to know

     24 Jan 2023

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7. www.weforum.org › agenda › 2023Light pollution - what it is and how to reduce its impact ...

   www.weforum.org › agenda › 2023

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   Jan 25, 2023 · Light pollution is the excessive or inappropriate use of artificial light that affects the natural environment and human health. Learn about the four types of light pollution, how it affects wildlife and humans, and what causes it.

   • Author: Bridget Reed Morawski

8. www.livescience.com › light-pollutionLight pollution: Environmental impact and health risks | Live ...

   www.livescience.com › light-pollution

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   Apr 5, 2022 · Light pollution, or photo pollution, is the presence of excess artificial light and is the result of urbanization and industrialization. It is only one of the many forms of...

   • Author: Scott Dutfield

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10. darksky.org › resources › what-is-light-pollutionWhat is light pollution? | DarkSky International

    darksky.org › resources › what-is-light-pollution

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    Light pollution is the human-made alteration of outdoor light levels from those occurring naturally. It can affect wildlife, human health, energy, climate, and the night sky heritage. Learn how to reduce light pollution and restore the natural night.

11. education.nationalgeographic.org › light-pollutionLight Pollution - National Geographic Society

    education.nationalgeographic.org › light-pollution

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    Apr 1, 2024 · Light pollution, the excessive or inappropriate use of outdoor artificial light, is affecting human health, wildlife behavior, and our ability to observe stars and other celestial objects. That Earthly Sky Glow. Light pollution is a global issue.