The City Dark: How Lights Can Confuse Baby Turtles
After having evolved to go toward the brightest sky (which was naturally over the ocean due to reflecting starlight) after hatching, turtle hatchlings now struggle to make it to the ocean because the glow from electric lights is much stronger.
Previews + Extras
The City Dark: Potential Impacts on Health
S25 E3 - 8m 54s
A look into the ongoing research that is exposing a potential link between exposure to light at night and cancer risk.
The City Dark: Addressing Light Pollution
S25 E3 - 4m 4s
By thinking critically about lighting design, it becomes possible to reduce light pollution and also conserve energy.
The City Dark: Filmmaker Interview with Ian Cheney
S25 E3 - 17m 3s
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.
The City Dark - Trailer
S25 E3 - 2m 38s
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.
The City Dark - Preview
S25 E3 - 30s
Get a fascinating introduction to the science of the dark and an exploration of our relationship to the stars. 8/12/2013
Similar Shows
Shot in the Arm
Indie Films
Beyond Debate: A Revolution in Education
Indie Films
Open Guard
Indie Films
Beyond the Bolex
Indie Films
Resistance: They Fought Back
Indie Films
WETA Passport
Stream tens of thousands of hours of your PBS and local favorites with WETA Passport whenever and wherever you want. Catch up on a single episode or binge-watch full seasons before they air on TV.