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Narrator: It’s a brand new year, with bold new missions.

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Last year, NASA’s Earth Expeditions covered the globe, 

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studying coral reefs, glaciers, air quality, 

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dust particles, plankton, greenhouse gases, and the changing Arctic.

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This year three new missions join the effort to study 

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our home planet. The HyspIRI mission will fly out of Hawaii,

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measuring volcanic gas emissions and coral reef health. 

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The PACE mission will cover the Pacific, studying tiny plants in the ocean called 

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phytoplankton and their impact on the marine carbon cycle.

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And the SnowEx mission kicks off in Colorado to determine how much 

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water is stored in Earth’s snow-covered regions.

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These field experiments will complement NASA satellite data,

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help answer some of our most pressing questions about how our planet is changing.