Google Earth Time-lapse is an impressive tour through the recent history of our planet. Using composites of annual Landsat images, from 1984-2012, you can see how the world has changed during the last 28 years.
With Google Earth Engine watch lakes vanish, cities expand, glaciers to deform and more.
You can see here all the Google Timelapse.
Columbia Glacier Retreat
source Google Earth Time-lapse