Richard Byrn, the popular blogger at Free Technology for Teachers and Practical Ed Tech is offering an exciting new Webinar about using Google Earth & Google Maps in the classroom. The 3 part course is offered over a three week period.
Lots of great ways to teach with Google Earth. This site includes how it can be used, how educators are using Google Earth (with resources), how to use it as a reasearch tool, good places to get data, and how to keep up with Google Earth changes. There are lots of things here for all subject areas.