Please Explain: Light Pollution

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Most Americans can’t see the Milky Way in the night sky…and here in New York, we’re lucky if we can see any stars at all! Find out why light pollution is a growing problem, and how it may even endanger your health. Leonard talks to Pete Strasser of the International Dark-Sky Association; and Dr. Richard Stevens, cancer epidemiologist and professor at the University of Connecticut Health Center.

Does New York City light pollution bother you? What are your tips for dealing with too-bright lights from the streets or from neighbors' homes?