As Maricopa Expands, Light Pollution Casts a Dark Shadow on the Night Sky

The expansion of Maricopa, Arizona, brings with it a rise in light pollution that obscures the night sky. As new businesses and residential developments multiply, the artificial glow from streetlights and buildings diminishes the visibility of stars and planets.

Despite having a Dark Sky chapter, Maricopa is not officially designated as a “Dark Sky” city. However, the city’s founding laws aimed to limit light intensity.

Monica Williams, a spokesperson for the city, emphasized the importance of preserving clear night skies. “The City of Maricopa has had a lighting code since its incorporation to help limit light pollution,” she stated. “We know that one of the things people love about Maricopa is the ability to enjoy clear night skies, and we’re committed to keeping that experience as the city grows.”

The city’s municipal code mandates downward-facing, full-cutoff lighting to minimize glare and skyglow. While not a requirement, Maricopa encourages businesses and developers to use motion sensors for responsible lighting solutions.

Arizona has long recognized the need to combat light pollution, home to several cities dedicated to protecting dark skies, including Flagstaff, Fountain Hills, Sedona, and Bisbee. The Grand Canyon also regulates the number of lights directed at the sky.

Though Maricopa lacks Dark Sky certification, its principles align with those upheld by Dark Sky International, further indicating Arizona’s commitment to preserving its celestial views.

James Lowenthal, an astronomy professor, notes the essential nature of natural darkness. He stated, “Light pollution degrades the environment, makes the sky artificially brighter, and can disrupt ecosystems as well as human health.”

Lowenthal highlighted the multitude of laws across the United States addressing light pollution. “The solution is simple — turn off the lights,” he urged, suggesting that utilizing timers and dimmers with LED lights could mitigate the problem after hours.

He passionately argues that the night sky has significant cultural implications. “There is no culture in human history that has not turned to the stars for inspiration,” he remarked. “The Milky Way should be visible overhead, yet 90% of Americans cannot see it.”

As development continues in Maricopa, the beauty of the stars could fade, highlighting the ongoing challenge of balancing growth with the preservation of natural darkness.

These are our region’s designated dark sky locations: