This paper will be presented at this year's UK e-Science All Hands Meeting (http://www.allhands.org.uk):
Jon Blower, Alastair Gemmell, Keith Haines, Peter Kirsch, Nathan Cunningham, Andrew Fleming, Roy Lowry, Sharing and visualizing environmental data using Virtual Globes, Proceedings of the UK e-Science All Hands Meeting 10-13 September 2007
The paper contains a short review of the capabilities of various virtual globes and some use cases of how they are being used in the environmental sciences community. You can download the paper from here and the PowerPoint slides from here.
Keywords: arcgis, google earth, kml, papers, worldwind