One of America's most distinguished living authors, Peter Matthiessen has probed the impacts of our technological, profit-driven society has had on both the environment and on indigenous cultures around the world. A two-time National Book Award winner for his travel journal The Snow Leopard and his novel Shadow Country, Matthiessen has turned an unflinching eye on some of the most controversial issues of our time. In this National Geographic Live appearance, he will discuss an issue of special urgency: the impact of climate change on the indigenous cultures of the far north, where warmer temperatures and a shrinking ice pack pose a direct threat to a way of life thousands of years old.

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