Independent (UK): High up inside the Arctic circle the melting of Greenland’s ice sheet has accelerated so dramatically that it is triggering earthquakes for the first time. Scientists monitoring the glaciers have revealed that movements of gigantic pieces of ice are creating shockwaves that register up to three on the Richter scale. The speed of the arctic ice melt has accelerated to such an extent that a UN report issued earlier this year is now thought to be out of date by its own …