OgleEarth posts about the King’s College Geodata portal, a terrific set of data overlays for Google Earth (static, network-updated, and temporal). Current datasets include:
- Tiputini Biodiversity Station
- Terrascope (new)
- TRMM 2b31-Based Rainfall Climatology
- Amazon-eye
- Tropical montane cloud forests
- MODIS Cloud climatology
- SRTM SWBD Coast and water bodies
- Petroleum-related impacts in the Amazon
- AsterPAA (TerraLook) in Google Earth
- GNS places database
- Monthly NASA blue marble SG
- Hole-filled SRTM 90m Digital Elevation Data
- Sea level rise scenarios
- Global forest change (2000-2005) from MODIS VCF
- Three-hourly rainfall time series (from TRMM 3B42)
- Monitoring Volcanoes
- Urban climates
- Tropical Hydrology : climate and land use impacts
- Central American and Costa Rican Climate and Hydrology
And, of course, there’s a lot more similar datasets at the Google Earth Library.