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Cities turn streetlights red to protect nocturnal ecosystems artwork
Science & Medicine

Cities turn streetlights red to protect nocturnal ecosystems

PBS NewsHour - Science by PBS NewsHour

Apr 20, 20265:52Science & Medicine

International Dark Sky Week is hailed as a global celebration of the night and a call for less light pollution. In some cities internationally, local governments are trying to find a solution to lighting the night can be...

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Cities turn streetlights red to protect nocturnal ecosystems is an episode from PBS NewsHour - Science by PBS NewsHour. International Dark Sky Week is hailed as a global celebration of the night and a call for less light pollution. In some...

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Published Apr 20, 2026, 5:52 long, audio available.

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