This page from the GeoTech Center provides a link to an introductory textbook on Geographic Information Systems, or GIS. The textbook is freely available online. The text covers a general introduction to GIS, vector...

This post on the AmericaView Blog describes accessing Landsat data and using it in the ArcGIS program. The post includes a link to an instructional video which will show you how to access freely available Landsat...

From 1938 to 1947, the United States Forest Service took thousands of aerial photographs of the state of Colorado. The hope was that these images would be used by agronomists, land use planners, farmers, and other groups...

The American Geosciences Institute (AGI) has produced high-quality educational materials for decades, and its website is a great resource for teachers working in the physical sciences. On the site, visitors can take...

This video segment, adapted from a NOVA broadcast, shows how the members of an Antarctic research team cope with the inhospitable climate and other environmental hazards during their stay. The segment is five minutes...