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        6-12

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        The City Dark: Which Way to the Ocean?

        In this lesson from POV, students will study the nesting process of the endangered loggerhead turtle species and watch a video clip that illustrates how artificial lighting along nesting beaches disorients turtle hatchlings and hinders their ability to reach the ocean successfully. Students will then identify ways that humans can reduce the threat of such lighting to natural habitat. The video clips provided with this lesson are from the film The City Dark, a documentary about light pollution and the disappearing night sky. The film asks viewers to stop and ponder what light, darkness and the stars mean to us, spiritually, physically, intellectually, socially and economically.

        How Lights Can Confuse Baby Sea Turtles

        In this clip, see how turtle hatchlings now struggle to make it to the ocean because the glow from electric lights are so strong. 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. Blending a humorous, searching narrative with poetic footage of the night sky, The City Dark provides a fascinating introduction to the science of the dark and an exploration of our relationship to the stars.

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        The Potential Impact of Light and Darkness on Health

        In this clip, look into the ongoing research that is exposing a potential link between exposure to light at night and cancer risk. 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. Blending a humorous, searching narrative with poetic footage of the night sky, The City Dark provides a fascinating introduction to the science of the dark and an exploration of our relationship to the stars.

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        Addressing Light Pollution

        In this clip, see how lighting design can reduce light pollution and also conserve energy. 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. Blending a humorous, searching narrative with poetic footage of the night sky, The City Dark provides a fascinating introduction to the science of the dark and an exploration of our relationship to the stars.

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