ScienceCasts: No Turning Back - West Antarctic Glaciers in Irreversible Decline - YouTube

https://www.youtube.com/watch?v=W2pYHMx5bN8

Visit http://science.nasa.gov/science-news/science-at-nasa/2014/12may_noturningback/ for more. A new study led by NASA researchers shows that half-a-dozen ke...