Click here to access article by Neven from Arctic Sea Ice Blog.
This blogger has put together some dramatic data and on-the-scene videos, like the one below, to show that the melting of the ice sheet in Greenland is accelerating and the resulting local effects of this melting. (You will need to learn a new term--albedo: a measure of reflectivity.) This scene in Greenland is occurring with increasing frequency as a result of diminishing albedo of the ice sheet.