MIT doctoral student Meghana Ranganathan looks at our planet’s history and future through our arctic ice sheets and points to why recent ice movement is a development that should concern us all. This talk was filmed at TEDxBocaRaton. All TEDx events are organized independently by volunteers in the spirit of TED's mission of ideas worth spreading. To learn more about TEDxSHORTS, the TEDx program, or give feedback on this episode, please visit
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