Narrated by David Suzuki. Originally broadcast by the CBC Dec. 13, 2012.
Summary:
Our planet is lit up 24 hours a day, seven days a week. We're addicted to light of all kinds, and like anything else that's addictive, is too much a bad thing? Join leading scientists in the lab and in the field to discover how much harm light at night may be causing people and to learn about the ground-breaking steps being taken to protect us.
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