Earth Day's 42nd anniversary Clip Art

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Earth Day's 42nd anniversary FREE COLOR IMAGE: NASA is taking part in the celebration of Earth Day's 42nd anniversary on the National Mall in Washington from April 20 through April 22. The agency's involvement includes three consecutive days of activities and exhibits open to the public. Additional activities are scheduled at nearby NASA Goddard Space Flight Center in Greenbelt, Md.

NASA's Earth Science Mission seeks to understand Earth's systems and their responses to natural and anthropogenic (human-made) changes. A fleet of satellites in NASA's Earth Observing System gives scientists the global, long-term measurements they need to connect the atmosphere (air), lithosphere (land), hydrosphere (water), cryosphere (snow/ice), and biosphere (life) as a single system. NASA works with many other partners from government, industry, academia, and international space agencies on the satellite missions that make up the EOS series. (Credit: NASA)

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TEXT CREDIT: NASA - Earth: