Google Earth published some startling time lapse images from 1984 – 2011 showing how a glacier in Alaska and a lake in Azerbaijan have shrunk dramatically (among others).
Here is the image showing the decimation of Columbia Lake, Alaska, presumable due to global warming:
Then I checked Google Earth myself and this is what it shows today (in May 2013):
Same story with Lake Urmia:
Here is what Google Earth shows today:
What exactly is Google Earth (and NASA and others) trying to do here?