Definition of light pollution
: artificial skylight (as from city lights) that interferes especially with astronomical observations
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Recent Examples of light pollution from the Web
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At least 100 residents held a rally Wednesday night near the mall to stress that their worries about added traffic, noise and light pollution haven't been mollified after developers modified the preliminary proposal.
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The new park is in southeast Ohio in the secluded woods of the Hocking Hills State Park that is known for its lack of light pollution resulting in a clear view of the night sky, according to the Friends of Hocking Hills State Park.
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The group was among those in the area for this summer’s eclipse, to take advantage of its dark skies and lack of light pollution.
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Night skies here are free of light pollution, a perfect spot for astronomy buffs.
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There are several spots to catch the show, thanks to the state's low light pollution, state tourism website Pure Michigan says.
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Granted by none other than the International Dark-Sky Association, a nonprofit that fights light pollution all over the world, the designation is the first of its kind for the National Park Service and only the fourth in the world.
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Find a spot where the sky appears clear, without light pollution or large buildings.
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The super-strict designation only applies to 12 places in the world, including remote regions in Namibia and Wales, where light pollution is nearly zero.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'light pollution.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of light pollution
1968
LIGHT POLLUTION Defined for English Language Learners
light pollution
Definition of light pollution for English Language Learners
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: light from cities, vehicles, etc., that makes it difficult to see things in the sky (such as stars) at night
Seen and Heard
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