JPL Earth Scientists Reflect on Earth Day

montage of global views of Earth In commemoration of Earth Day on Tuesday, April 22, we asked JPL Earth scientists to reflect on the event and what it means to them.
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April 22, 2008

What's Your Salt IQ? What's Your Salt IQ?

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distribution of atmospheric water vapor Water Vapor Doubles Carbon Dioxide's Warming Effect

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artist concept of the sun and California Cool Summer, Warm Future for Southern California

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