Hippo-like mammals in the Arctic? Beech trees in Antarctica?Follow a trail of strange fossils discovered in all the wrong places,and uncover bizarre histories and potential futures of our north andsouth poles. Renowned paleontologist Kirk Johnson guides youthrough warm polar forests teeming with life, and over miles-highice sheets. You’ll understand how today’s changing climate affectsthe Artic—warming faster than any other place on earth—andAntarctica, home to enough frozen water to raise sea level by 200feet, if all the ice melts. An eye-dazzling, epic adventure throughtime, at the polar extremes of our planet.

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Join renowned paleontologist Kirk Johnson 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 controls the dial on Earth's thermostat? Today, the Arctic is warming faster than anywhere else in the world, and Antarctica has locked in its ice enough water to raise sea level by a terrifying 200 feet. The way that the poles respond to a warming climate is one of the greatest wildcards in predicting our climate future. Johnson uses Earth's history, written in stone, as a cipher to decode what is going on at our polar extremes today, and what the future may hold.