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Why This Pennsylvania City Put Its Streetlights on a Dimmer

After passing a Dark Sky ordinance to curb light pollution and save energy, Pittsburgh is installing adjustable streetlights.

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Jul 23, 2025 - 09:00
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Why This Pennsylvania City Put Its Streetlights on a Dimmer
After passing a Dark Sky ordinance to curb light pollution and save energy, Pittsburgh is installing adjustable streetlights.
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