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Why Are Streetlights Turning Purple?

Why are streetlights turning purple article by Dark Sky Consulting, LLC

Article - Published by Dark Sky Consulting, LLC

SummaryChromaticity shift is affecting an increasing number of commercial outdoor lighting products. This may affect public perception of solid-state lighting and could change the nature of skyglow over cities. This post explores what it is, why it's happening, and what can be done about it.

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