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The City Dark: How Lights Can Confuse Baby Turtles

Turtle hatchlings struggle to make it to the ocean because of light pollution.

07/05/2012 | Rating NR

POV

The City Dark: How Lights Can Confuse Baby Turtles

Clip: Season 25 Episode 3 | 4m 42s

Turtle hatchlings struggle to make it to the ocean because of light pollution.

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.

07/05/2012 | Rating NR

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Major funding for POV is provided by PBS, The John D. and Catherine T. MacArthur Foundation, the Wyncote Foundation, Reva & David Logan Foundation, the Open Society Foundations and the...

The City Dark - Preview

Preview: S25 Ep3 | 30s | Premieres Monday, August 12, 2013 at 10:00 p.m. ET/PT. Check your local listings. (30s)

The City Dark - Trailer

Preview: S25 Ep3 | 2m 38s | Is darkness becoming extinct? A meditation on the human relationship to the stars (2m 38s)

The City Dark: Addressing Light Pollution

Clip: S25 Ep3 | 4m 4s | With the help of lighting design, it becomes possible to reduce light pollution. (4m 4s)

The City Dark: Filmmaker Interview with Ian Cheney

Clip: S25 Ep3 | 17m 3s | Filmmaker Ian Cheney discusses the impetus behind 'The City Dark' (17m 3s)

The City Dark: Potential Impacts on Health

Clip: S25 Ep3 | 8m 54s | Ongoing research on a potential link between light at night and cancer risk. (8m 54s)

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Major funding for POV is provided by PBS, The John D. and Catherine T. MacArthur Foundation, the Wyncote Foundation, Reva & David Logan Foundation, the Open Society Foundations and the...

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