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light pollution
/lˈaɪt pəlˈuːʃən/
/lˈaɪt pəlˈuːʃən/
Light pollution
01
the unwanted and excessive artificial light that brightens the night sky, causing problems for stargazing, wildlife, and sleep
Examples
Light pollution in cities makes it nearly impossible to see the Milky Way.
Scientists warn that light pollution confuses migrating birds, leading to fatal collisions.
