Season 1 · Episode 6
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Grasslands: Roots of Power
Thu, Feb 17, 2011
·
51 min
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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Thu, Feb 17, 2011
51 min
Show
Human Planet
8 episodes
Episode
S1 · E6
in Human Planet
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S1 · E8
Cities: Surviving the Urban Jungle
Thu, Mar 3, 2011