By Dawn House, writer for sltrib.com 
Utah is emerging as a global leader in protecting dark skies from light pollution, attracting visits to the Colorado Plateau that during the next decade are expected to pump $2.5 billion into rural economies.
Torrey, the gateway town to Capitol Reef National Park, is slated to become the state’s first Dark Sky Community, while Springdale, Boulder, Moab, Kanab and the border town of Page, Ariz., are considering or have passed light-curbing ordinances. The Dark Sky Community designation is an award granted so far to only 15 other communities in the United States, Canada, Scotland, Denmark and the Channel Islands.
In addition, the University of Utah has awarded formal recognition to the Consortium for Dark Sky Studies, the first academic center in the world dedicated to discovering, developing and applying knowledge to help protect night skies, according to U. officials. And next year, the university will help sponsor the largest global conference to date, examining the impacts of artificial lights.
Utah has more dark-sky places than any other state or country, but light pollution is eroding this valuable, irreplaceable resource, said John Barentine, program manager for the International Dark-Sky Association. Torrey, for example, has been the single greatest source of light pollution above Capitol Reef. Visitors must hike into the deepest southern reaches of the park to enjoy the most pristine night skies.
“In the American West, small towns emit more amounts of light, relative to their populations, than do large metropolitan areas,” he said. “There’s also broader support for private-property rights, and a fundamental human fear of darkness. The tendency in rural areas is to light up property in the name of safety and security.”
Yet people can be safe and save money by using lights appropriately, advocates say. Simple shields on existing bulbs, for example, direct beams downward, rather than lighting up the heavens. And instead of using expensive all-night floodlights, motion detectors can flash an immediate alert to an intruder.
 17 April 2017