EcoWatch: NASA`s Gravity Recovery and Climate Experiment (GRACE) program has released a series of satellite images, taken in June 2002, June 2008 and June of this year, showing the stunning groundwater loss in California which is in its third year of record drought.
"This trio of images depicts satellite observations of declining water storage in California as seen by NASA`s Gravity Recovery and Climate Experiment satellites," says NASA. "Colors progressing from green to orange to red represent greater...