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welcome to earth science week this week

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you'll be hearing from five of my

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colleagues on important topics in the

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earth system that NASA focuses on in its

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research the theme of Earth Science Week

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is no child left inside this addresses

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are growing understanding that the

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natural world affects our emotional and

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intellectual development NASA's Earth

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System science addresses five big

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questions how is the global Earth system

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changing what are the primary forces on

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the Earth's system how does the earth

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system respond to natural and

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human-induced changes what are the

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consequences of changes in the Earth's

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system for human civilization and how

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each of these help us to understand our