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Why we need darkness to survive | Diane Knutson | TEDxRapidCity

Former park ranger Diane Knutson has studied the night skies and the city lights aren’t just ruining stargazing. Light pollution continues to grow, affecting our entire eco-system. Diane shares why light pollution needs to be reduce and some surprisingly simply ways we can all take action. Originally from Nebraska, Diane Knutson grew up in Dakota City and graduated with a Bachelors of Science in Community Health Education from the University of Nebraska-Lincoln. She then earned a Master’s in Recreational Sports Administration at the University of Iowa and worked for the Iowa Athletic Department, before moving to Rapid City. Diane owns the fitness-training studio Koko FitClub and is a graduate of Leadership Rapid City. Recently crowned Mrs. Rapid City Corporate America, Diane competed at the national pageant in Orlando where she combined her experience in business, and passion for wildlife, into a platform about how corporate meets conservation. Diane is the creator of the Lights Out Movement in Rapid City. As a National Park Ranger at Wind Cave, Diane conducted research about how artificial lighting affects nocturnal habitats. This year she founded the inaugural Rapid City Dark Earth Hour in conjunction with the globally celebrated event This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at http://ted.com/tedx