light pollution
Noun
Meaning
light pollution (uncountable)
An excess of artificial light, especially near urban areas, reducing visibility of stars, etc. in the night sky.
Synonym: photopollution
Related terms
Examples
When I came to New York and I opened the window of the thirty-fifth-floor apartment, there's light pollution and fog, and I couldn't see my star. So I drew it on my wrist with a pen, but it kept washing away. Then I went to a tattoo parlor on Second Avenue and had it done.
Reduction of natural sky polarization Light pollution is mostly unpolarized, and its addition to moonlight results in a decreased polarization signal.
Light pollution dramatically reduces the visibility of stars Light pollution, also known as photopollution or luminous pollution, is excessive, misdirected, or obtrusive artificial light.
Light pollution also has deleterious effects on other organisms such as migrating birds, sea turtle hatchlings, and insects.
Light pollution is a broad term that refers to multiple problems, all of which are caused by inefficient, unappealing, or (arguably) unnecessary use of artificial light.
Light pollution poses a serious threat in particular to nocturnal wildlife, having negative impacts on plant and animal physiology.