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Grasslands: Roots of Power
Grasslands feed the world. Over thousands of years, humans have learned to grow grains on the grasslands and domesticate the creatures that live there, propelling our population to almost seven billion people in the process.
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Episode 1: Oceans: Into the Blue
Episode 2: Deserts: Life in the Furnace
Episode 3: Arctic: Life in the Deep Freeze
Episode 4: Jungles: People of the Trees
Episode 5: Mountains: Life in Thin Air
Episode 6: Grasslands: Roots of Power
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Episode 7: Rivers: Friend and Foe
Episode 8: Cities: Surviving the Urban Jungle