Earth Sciences

Windows to the Universe
purpose is to develop a fun and different web site about the earth and space sciences.
http://www.windows.ucar.edu/

GeoClio
An ongoing resource focusing on the history and development of geology and the geosciences.
http://geoclio.st.usm.edu/

Earth Science World
Covering various approaches and mediums of delivering earth science related information.
http://www.earthscienceworld.org/

Earth Systems
Learn about plate tectonics, biomes, spheres, cycles, diversity, adaptation, and more.
http://www.cotf.edu/ete/modules/msese/earthsys.html

Savage Planet
Savage Planet online features essays and interactive animations that highlight topics in the Earth Sciences and references links to relevant resources on the Web.
http://www.pbs.org/wnet/savageplanet/

Geoepicenter
A visual field guide to geology in Southern California
http://www.geoepicenter.com