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The Habitable Planet

Oceans (#103)

Ocean systems operate on a range of scales, from massive systems such as El Niño that affects weather across the globe to tiny photosynthetic organisms near the ocean surface that take in large amounts of carbon dioxide. This program looks at how ocean systems regulate themselves and thus help maintain the planet's habitability. [28 minutes] Closed Captioning

This episode has not aired in the past few months on Iowa Public Television.

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Series Description: This series begins with an overview of the Earth's systems — geophysical, atmospheric, oceanic, and ecosystems — as they exist independently of human influence and explores the effect that human activities have on the different natural systems. Topics include human population growth and resource use, increasing competition for fresh water, and climate change.

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