Then there is this video from Chasing Ice that shows the largest glacier calving event ever filmed. The piece that broke off was about the size of the lower tip of Manhattan, NYC and much taller/deeper than the buildings there.
The rate of ice melt, is a big deal, especially in Greenland. I won't live to see the full impact, emergency managers entering the workforce today will be dealing with the implications and climate adaptation strategies in their lifetime.
And, it was my sister, Cheryl Derman, who shared the video link above.