<http://schema.org/alternativeHeadline>
"Ice lost from Antarctica and Greenland accounts for .44 inches, or a fifth, of the 2.2 inches that the seas have risen on average since 1992."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/stories/loss-of-polar-ice-sheet-accelerating>