DarkSky Oregon

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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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Light Pollution Guest User Light Pollution Guest User

Hidden Cost of Light Pollution

Hidden Costs Series: Light Pollution

YouTube - Published by @TheHiddenCosts

Light pollution can be a hazard to our health. Just about every organism on the planet lives its life according to the rhythms of daytime and darkness. Excessive light can cause several human health problems -- from chronic fatigue and migraines to sexual dysfunction -- have also been linked to high-levels of light exposure.

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Light Pollution, Wildlife Guest User Light Pollution, Wildlife Guest User

From Desert to Coast, the Case for Dark Skies

Cape Perpetua Collective discusses the importance of darkness for nocturnal wildlife, from migrating birds to sea turtles to intertidal invertebrates and nesting seabirds.

Recording by Cape Perpetua Collective on the importance of darkness for nocturnal wildlife, from migrating birds to sea turtles to intertidal invertebrates and nesting seabirds.

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Where Are the Stars? See How Light Pollution Affects Night Skies

Published by National Geographic - This short film, shot mainly in California by Sriram Murali, goes through all the levels of the scale, showing how the view of the cosmos gets better in less light-polluted areas.

Published by National Geographic - This short film, shot mainly in California by Sriram Murali, goes through all the levels of the scale, showing how the view of the cosmos gets better in less light-polluted areas.

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