Desalination Changing salty water to fresh water. Called the 'blue planet' or the 'water planet' the Earth's surface is 70% covered with water. Unfortunately, a very tiny percentage of the water is fit to drink. CLICK to read more Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window) Related