On the Western Slope of Colorado, we still have something rare and precious - a truly dark night sky. Let's keep it that way.
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Light pollution is any adverse or unintended effect of artificial light at night — and it's one of the fastest-growing environmental threats on Earth. According to DarkSky International, light pollution is growing globally by about 9.6% per year. Today, roughly 80% of the world's population lives beneath light-polluted skies, and most children will never see the Milky Way with their own eyes.
Here on the Western Slope, we are fortunate. Our rural communities — including the certified DarkSky Communities of Nucla, Naturita, and Norwood — still enjoy some of the darkest night skies in Colorado. But that darkness is not guaranteed. It requires awareness, community commitment, and thoughtful choices.
"The natural night is quickly disappearing — but together, we can change that."
— DarkSky International
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The dome of reddish-orange light that glows over cities and towns, caused by light scattering upward into the atmosphere. It washes out the stars and can be visible hundreds of miles away — even impacting our national parks and wilderness areas.
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Intense, blinding light that reduces visibility and causes visual discomfort, especially for drivers at night. Overly bright fixtures that aim light in all directions — rather than downward — are major contributors.
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Light that falls where it isn't wanted or needed — like a neighbor's floodlight shining into your bedroom, or a streetlamp illuminating a field instead of a road. Good lighting design keeps light where it belongs.
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Excessive, confusing groupings of bright light sources — common in commercial areas — that create visual chaos, reduce safety, and contribute to overall sky brightness. Less is often more.
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The Western Slope's dark skies give stargazers, astronomers, and families a window to the universe. Our region has already attracted astrotourism interest - protecting the night sky supports both science and awe.
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Natural darkness is a biological necessity, not a luxury. From migratory songbirds to fireflies to pollinators, countless species depend on the rhythm of natural light and dark to survive, reproduce, and thrive.
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Dark sky tourism is a growing industry worth billions worldwide. Certified DarkSky Communities like Nucla, Naturita, and Norwood attract visitors, boost local businesses, and build a unique regional identity.
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Our bodies evolved with natural darkness. Artificial light at night disrupts sleep, suppresses melatonin, and has been linked to a range of health concerns. Protecting dark skies protects our wellbeing.
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Indigenous peoples, ranchers, and generations of rural Coloradans have navigated, celebrated, and found meaning under a full canopy of stars. That heritage is worth preserving.
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Unnecessary light is wasted energy. Smarter, more responsible lighting - aimed downward, at appropriate brightness - reduces electricity use, cuts costs, and reduces carbon emissions.