2015年4月20日 星期一

GLOBE Program Marks 20 Years of Global Earth Science Education

On Earth Day, April 22, NASA and the National Science Foundation (NSF) celebrate 20 years of international cooperation and collaboration to engage students, scientists, and teachers in 114 countries in the scientific exploration of Earth’s environments and climate.

April 20, 2015
from NASA http://ift.tt/1D8yIsh
via IFTTT

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