100-Mile Diet author JB MacKinnon talks about the ideas behind his book, The Once and Future World, which reveals the natural world of the past and what it tells us about nature today. #bestofthemountainfest
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100-Mile Diet author JB MacKinnon talks about the ideas behind his book, The Once and Future World, which reveals the natural world of the past and what it tells us about nature today. #bestofthemountainfest