American Geological Institute--includes news, a data repository, a career information center, a book center,the GeoRef system, a publications list, and more.
Ask a Geologist-- E-mail your questions here; a geologist from the USGeological Survey will e-mail you an answer. Basic information islinked in, as is a usenet FAQ file and a list of prime geologicalinternet sites.
DynamicEarth--a complete textbook on plate tectonics from the US Geological Survey.
Geoindex--a search enginefor the geological professional.
Geotimes –thenews magazine from the American Geological Institute.
Global Change MasterDirectory--from NASA, a comprehensive data source of satellitedata and earth science data, to which scientists can link their owndata sets.
GlobalChange Research Information Office-- provides access to data and information on global environmental change research, adaptation/mitigation strategies and technologies, and global change related educational resources.
Guideto Meteorology--a highly acclaimed multimedia resource, designed for students from elementary to college age.
Iowa Geological Survey
Mineralogy Database--includes definitions, some images, and minerals listed by name, by crystal system, by chemical composition; also links to other minerals sites.
National Geophysical DataCenter--basic climate, geophysical and environmental data from National Oceanic and Atmospheric Administration.
OnLine Instructional Materials in Geology
This Dynamic Planet--contains "e;text and figures depicting volcanoes, earthquakes, impact craters, and plate tectonics located around the world, as well as a 44 inch wide world map. The text explains the geological reasoning for the distribution of volcanoes and earthquakes (shown in the figures) and the formation of impact craters
U.S. Geological Survey
Virtual Geosciences Professor--a guide to online teaching resources in the geosciences, including courses, java applets, student projects, virtual field trips, a virtual coffee room for discussion, and a ;Resources of the Fortnight updating service.
Geological Time Machine-- choose your period and read (and view) all about it
World-Wide Web Virtual Library-Meteorology--what Choice considers the most comprehensive meteorology site on the web.
Xerox Parc Map Viewer: World : World Map , river, national boundary. Easy to use.
Maps -- global, regional and local maps.
Maps, China.
Desertification, China – case study 庫布齊沙漠。
Geography knowledge, quiz, maps & books.
White Mountain.
Water pollution, causes, impacts and solution.