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TED Talks Daily

The problem of light pollution -- and 5 ridiculously easy ways to fix it | Kelsey Johnson

Dec 4, 2019
Kelsey Johnson, an astrophysicist passionate about our night skies, sheds light on the alarming effects of light pollution on all species, including humans. She shares heartfelt memories of stargazing and tackles the surprising health risks associated with artificial lighting, like sleep disorders. Johnson presents five ridiculously easy solutions to combat light pollution, encouraging everyone to take part in preserving the beauty of our natural night. Prepare to be both informed and inspired to make a change!
13:23

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