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- Light pollution can come in several forms: light trespass is when unwanted light escapes from one property into adjacent properties; over-illumination is using excessive light where it isn't needed; light clutter is the redundant clusters of lighting found in many urban centers; sky glow is the collective light pollution found over big cities.
www.jmu.edu/planetarium/light-pollution.shtmlLight Pollution: The Overuse & Misuse of Artificial Light at ...
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.
Apr 1, 2024 · Vast areas of North America, Europe, the Middle East, and Asia are glowing with light, while only the most remote regions on Earth (Siberia, the Sahara, and the Amazon) are in total darkness. Some of the most light-polluted countries in the world are Singapore, Qatar, and Kuwait.
- Affects on Astronomy and Night Vision
- Health Risks
- Implications on Wildlife Behaviour
- Additional Resources
- Bibliography
One of the immediate effects light pollution has on our environment is to obscure our view of the true night sky, according to telescope manufacturer Celestron. Without the presence of artificial light, the night sky is awash with celestial bodies, far away galaxiesand constellations. However, if you’re looking up from the belly of a big city, you’...
Other than depriving us of a starry star, there are many more implications to excess use of artificial light, such as throwing the human body's natural cycle out of whack. Circadian rhythms are a group of physiological and neurological changes that occur in the body over a 24-hour-period. Collectively they’re also known as our body clock and is rel...
Along with health issues, light pollution can interfere with the behaviours of wildlife. Nocturnal predators such as batsare among the most affected by light pollution. These flying mammals are well adapted to hunting at night and actively avoid illuminated areas. Unfortunately, their insect prey is attracted to light sources, which leads to barren...
For more information about light pollution, check out "The End of Night: Searching for Natural Darkness in an Age of Artificial Light" by Paul Bogard and "Fighting Light Pollution: Smart Lighting Solutions for Individuals and Communities" by The International Dark-Sky Association.
The International Dark-Sky Association "Light pollution", accessed April 2022.John E. Bortle, "The Bortle Dark-Sky Scale", accessed April 2022.Celestron, "What is light pollution and how does it affect views through my telescope?", February 2022.Rebecca Morelle, "Light pollution 'affects 80% of global population'", BBC, June 2016.- Scott Dutfield
Oct 11, 2018 · From radically disrupting ecosystems to increased CO2 emissions, light pollution goes far beyond just eliminating our view of the stars.
6 days ago · 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.
Oct 19, 2023 · Light Pollution 101. Ever since the light bulb's invention 150 years ago, artificial light has illuminated homes, streets, and skies — but with some unintended consequences. Learn about the major types of light pollution, their impact on human health, and how the worldwide glow from artificial light may continue to grow.
Jun 15, 2022 · Global light pollution has increased by 49% over 25 years to 2017, new research shows, and the real figure may be even higher. Its impacts are wide-ranging - with human health, the environment and nature all affected, according to studies.
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