Environmental Outlook: Combating Light Pollution

Environmental Outlook: Combating Light Pollution

America is losing its dark sky. Artificial light at night is harming sea turtles and other animals and has been linked to health problems in humans. For this month's Environmental Outlook, fighting light pollution.

For most of human existence, daily life revolved around the sun's schedule. People were active during the light of day and rested at night. But that's no longer true in much of the world. In the United States, as much as two-thirds of the population cannot see the Milky Way at night. That's because man-made light in cities, towns and the suburbs mutes the dark sky above. A growing body of research indicates that exposure at night to artificial light is causing problems for sea turtles, birds and other creatures -- as well as humans. For this month's Environmental Outlook, efforts to combat light pollution.

Guests

Paul Bogard

author of "The End of Night: Searching for Natural Darkness in an Age of Artificial Light" and editor of "Let There Be Night: Testimony on Behalf of the Dark." He teaches creative writing and environmental literature at James Madison University.

Bob Parks

executive director of the International Dark Sky Association.

Mary Stewart Adams

program director at Headlands International Dark Sky Park.

Dr. Mario Motta

cardiologist at North Shore Medical Center in Salem, Mass., member of the AMA's Council on Science and Public Health and president of the American Association of Variable Star Observers.

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