Pangaea An information system aimed at archiving, publishing and distributing data from global change research with special emphasis on geological, marine and environmental sciences.
Geoscapes Photography Geologic and natural history landscape photography of the western United States and Pacific islands.
Evolving Earth Foundation Earth science and natural science resources, articles and online education.
Wieczorek, Jozef Research on the geology of the Tatra mountains and other publications by this researcher.
Geography Site: Physical Geography 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.
Earth Science World American Geological Institute resources for teachers and students. Includes searchable database of earth images, geologic time scale, and interactive features.
Planet Earth: An Introduction to Earth Sciences Online text by Roger N. Anderson of Columbia University. Covers origins of the earth and life, plate tectonics, and formation and deformation of continents.