The City Dark

A look into the ongoing research that is exposing a potential link between exposure to light at night and cancer risk.

By thinking critically about lighting design, it becomes possible to reduce light pollution and also conserve energy.

On a search to discover what he lost when he moved to New York City from rural Maine and found a night sky devoid of stars, Ian Cheney discusses making 'The City Dark,' the role of a documentarian, and some simple steps that people can take to preserve the dark night.

Is darkness becoming extinct? When filmmaker Ian Cheney moves from rural Maine to New York City and discovers streets awash in light and skies devoid of stars, he embarks on a journey to America’s brightest and darkest corners, asking astronomers, cancer researchers and ecologists what is lost in the glare of city lights.

Get a fascinating introduction to the science of the dark and an exploration of our relationship to the stars. 8/12/2013