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so

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i'm jim cameron in avatar we told the

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story of how closely people are

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connected to their living world on an

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imaginary planet

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nasa is helping us see just how

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interconnected a real planet is

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on earth the oceans and air dance

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together ecosystems pulse with life

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ice retreats as the climate warms

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and we've seen how our species can leave

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its mark

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we now know we are part of the global

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network called earth