Google now features data from the Landsat Image Mosaic of Antarctica (LIMA) as part of Google Earth. To learn more about LIMA visit the LIMA data websiteor the LIMA education website.

Above the Earth, Below the Surface: Landsat’s Role in Monitoring Water Quality
Safeguarding freshwater resources is crucial, and while scientists use a variety of ground-based techniques to gauge water quality, the Landsat program has provided water quality data from orbit for decades.