• CIA World Factbook 2001
  Provides detailed information about specific countries, such as geography, population, land use, natural resources,etc. 
• OpenGIS Consortiun
  OpenGIS Specifications
  Click for for access to approved OpenGIS Abstract and Implementation Specifications
•  D. ISO TC211 
• Geomorphology from Space:A Global Overview of Regional Landforms
   A good resource for teachers. This out of print book is available online and on CD-ROM; order CD from Goddard DAAC for free:daacuso@daac.gsfc.nasa.gov
• Goddard Institute for Sapce Studies
  GISS is a NASA facility that primarily studies global change. This site has extremely technical data on surface temperatures, vegetation, human population density, wetlands, ect.
• Library of Congress Country Studies 
  This site includes descriptions of 85 countries. Each study is written by a multidiscplinary team of social scientists and includes sections on history, geography, economy, society, and others. 
• Mad Scientist Network
  This is a fun, yet informative site where students can ask scientists questions. Already asked questions are available for viewing. 
• U.S.Geological Survey 
  A good reference site, including science topics for education, mapping information, and current events and news releases.
• Unites Nations InfoNation
  InfoNation is an easy-to-use, two-step database that allows you to view and compare the most up-to-date statistical data for the Member States of the United Nations. Has Spanish and French version.

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