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Can the Earth cope? - Horizon: How Many People Can Live on Planet Earth? - BBC

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Published on Mar 8, 2012

When the global population reaches 9 billion people, how will the Earth cope? Sir David Attenborough explores the changing demographics of Earth over the next 40 years. Thought provoking clip from the BBC's flagship science series Horizon.

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BBC Worldwide Channel: http://www.youtube.com/BBCWorldwide

Check out the Horizon playlist: http://bit.ly/x5NdXA

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