| Earth Science World http://www.earthscienceworld.org/ American Geological Institute resources for teachers and students. Includes searchable database of earth images, geologic time scale, and interactive features. | |
| Evolving Earth Foundation http://www.evolvingearth.org/ Earth science and natural science resources, articles and online education. | |
| Geography Site: Physical Geography http://www.geography-site.co.uk/pages/physical.html Illustrated descriptions and explanations of earthquakes, plate tectonics, glaciers and glacial landforms, and volcanoes and volcanic deposits, intended for students up to age 16, but suitable for a wider audience. | |
| Geological Society http://www.geolsoc.org.uk/ General geology portal site, including links, products, and a discussion forum for professionals and students. | |
| Geoscapes Photography http://www.geoscapesphotography.com/ Geologic and natural history landscape photography of the western United States and Pacific islands. | |
| Pangaea http://www.pangaea.de/ An information system aimed at archiving, publishing and distributing data from global change research with special emphasis on geological, marine and environmental sciences. | |
| Strata: William Smith on the Web http://www.unh.edu/esci/WilliamSmiths-StrataIdentified/ Publications of the father of modern geology, who first drew a chart of the strata under the surface of the earth. Printable version of Smith's famous geologic map of England. | |
| Walter Geology Library http://www.lib.utexas.edu/geo/onlineguides.html Listing of virtual and on-line geologic field trip guidebooks. | |