Light pollution | Definition, Causes, Impacts, & Facts | Britannica
britannica.com
Light pollution | Definition, Causes, Impacts, & Facts | Britannica
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.
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