light pollution
noun
: artificial skylight (as from city lights) that interferes especially with astronomical observations
Examples of light pollution in a Sentence
Recent Examples on the Web
Instead of pausing mowing altogether, Ann Arbor now encourages residents to plant native species, shrink traditional turf lawns, limit pesticide use and reduce light pollution.
—
CBS News, 7 May 2026
Find an area far away from street lights and the light pollution of cities.
—Eric Lagatta, USA Today, 7 May 2026
Habitat destruction, pesticides and light pollution can pose a danger to fireflies.
—Eva Flowe
may 6, Charlotte Observer, 6 May 2026
Wadi Rum is one of the best places on Earth for stargazing and to see the Milky Way — vast, dry, high and almost completely free of light pollution.
—Jamie Carter, Space.com, 3 May 2026
See All Example Sentences for light pollution
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CBS News, 7 May 2026
Find an area far away from street lights and the light pollution of cities.
—Eric Lagatta, USA Today, 7 May 2026
Habitat destruction, pesticides and light pollution can pose a danger to fireflies.
—Eva Flowe
may 6, Charlotte Observer, 6 May 2026
Wadi Rum is one of the best places on Earth for stargazing and to see the Milky Way — vast, dry, high and almost completely free of light pollution.
—Jamie Carter, Space.com, 3 May 2026
See All Example Sentences for light pollution
Cite this Entry
“Light pollution.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20pollution. Accessed 11 May. 2026.
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