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Currently you are able to watch "Polar Extremes" streaming on PBS Documentaries Amazon Channel. It is also possible to buy "Polar Extremes" on Amazon Video as download or rent it on Amazon Video online.
You can also stream the title for free on Kanopy, Hoopla.
Renowned paleontologist Kirk Johnson takes us on an epic adventure through time at the polar extremes of our planet. Following a trail of strange fossils found in all the wrong places—beech trees in Antarctica, hippo-like mammals in the Arctic—Johnson uncovers the bizarre history of the poles, from miles-high ice sheets to warm polar forests teeming with life. What caused such dramatic changes at the ends of the Earth? And what can the past reveal about our planet’s climate today—and in the future?
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