Other
Esri What Is Gis?
This site is provided by ESRI, a leading GIS software developer. It explains how GIS works and ways in which it is used.
US Geological Survey
Geographic Information Systems
This is an extensive resource explaining what Geographic Information Systems (GIS) are, how they work, applications of GIS, and GIS through history.
Other
Great Lakes Information Network
The Great Lakes Science Center provides research on various topics concerning the Great Lake environment such as fish advisories, contaminants, threatened species, low water levels, and sustainable development of the Lakes.
Science Buddies
Science Buddies: Science Careers: Mapping Technician
Mapping technicians, also called surveying technicians, as their name suggests, use many different tools to make maps of many kinds. This Science Buddies site lays out the requirements needed to become a mapping technician, as well as...
Columbia University
Nasa: Sedac: Population, Landscape, and Climate Estimates
[Free Registration/Login Required] A huge resource for researchers without GIS capabilities who need data on population and land area by country across a range of physical characteristics. These include measures such as the number of...
US Geological Survey
U.s. Geological Survey
The U.S. Geological Survey reports on the latest news affecting the earth today, as well as providing a wealth of data, reports, and information.
Geographyiq
Geography Iq
Detailed geographical information on any country is available at this site. Within the World Map section, you can get facts and figures about each country's geography, demographics, government, political system, flags, historical and...