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Light pollution: What it is and why it matters

Northern Lights on the Gunflint by Bryan Hansel
Northern Lights on the Gunflint by Bryan Hansel

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20150227darkskybarentine.mp339.81 MB

Recently the Cook County board voted to keep two proposed MN/DOT towers short enough so they wouldn't have to be lighted, and Cook County is one of the darkest locations in the lower 48 states. John Barentine, program director of the International Dark Sky Association, talked with Dick Feb. 27 about light pollution and the benefits of a dark sky.

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