Courtesy Wicked Delicate Films New York's light tribute to the World Trade Center is seen in "The City Dark," a documentary about light pollution.

Film ‘City Dark’ discusses light pollution

By Sean P. Means

| The Salt Lake Tribune

First Published Apr 24 2012 08:26 am • Last Updated Apr 24 2012 08:26 am

The effects of light pollution — human-made light interfering with the view of the stars — is covered in the documentary "The City Dark," which screens Tuesday, April 24, at the Salt Lake City Library’s main branch.

The documentary, which uses New York’s unnaturally bright nighttime sky as a jumping-off point for its discussion, will screen at 7 p.m. at the library auditorium, 210 E. 400 South, Salt Lake City.

After the screening, Inese Ivans, assistant professor of physics and astronomy at the University of Utah, will answer questions about light pollution and the disappearing night sky.

The screening is free.

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