Research
- National Geodetic Survey
- GeoStor
- International Rivers Network
- Water Database Bibliography: Middle East Water Information Network
- National Park Service Data Information
- International Ground Water Modeling Center
- GeoIndex
- Water Quality Standards Inventory Database
Education
- Liberty Science Center: WattsUp with Electricity in Brazil and the United States
- Colorado Water Knowledge
- Great Web sites for Kids
- Earthquakes
- AQMD Kid's Page
- Project GeoSim
- Dig: The Archeology Magazine for Kids, Parents, and Teachers
- Web-Based Tutorials in GIS
General
- The Office of River Protection
- Alaska Science Forum
- Map Showing Oil and Gas Fields and Geologic Provinces of Africa
- Complete Sun and Moon Data for One Day
- The Glossary of Nuclear Science Terms
- Midwestern Regional Climate Center
- Yosemite in Depth: Geology
- Lifelines and Earthquake Hazards in the Greater Seattle Area