There are some amazing data sets at this web site. These could be useful for patrons seeking data or faculty looking for free data sets for students to use on class projects.
NASA Global Change Master Directory, Discover Earth Science data and services
The mission of the Global Change Master Directory (GCMD) is to enable the scientific community to discover and access Earth science data and services through distributed, integrated information technology systems. The GCMD offers authoring tools to achieve this mission, which conform to international standards. Tools are available to write, directly submit, and directly update metadata records.
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