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Topic: Planet Earth

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Polar Extremes

Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.

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The Polar Lab

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Decoding the Weather Machine

Planet Earth

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A meteorologist explains images on a computer screen

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Flood Modeling, Predictions, and Warnings

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How Ocean and Air Temperatures Affect Storm Intensity

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One Cause of Extreme Flooding

A monkey climbs down a tree trunk

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How Animals Help Plant Forests

A soil scientist examines piece of organic matter in the palm of his hand

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Plants Cultivate Soil Microbes

Three bright red mushrooms with white polk-dots

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Fungi in Forest Ecosystems

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The Carbon-Catching Power of Forests

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