Here is another way to put it into perspective[0]: http://water.usgs.gov/edu/pictures/full-size/global-water-volume-fresh-large.jpg http://water.usgs.gov/edu/pi

Here is another way to put it into perspective[0]: http://water.usgs.gov/edu/pictures/full-size/global-water-volume-fresh-large.jpg http://water.usgs.gov/edu/pictures/full-size/global-water-vo... [0] - http://water.usgs.gov/edu/earthhowmuch.html http://water.usgs.gov/edu/earthhowmuch.html