‘Glacial earthquakes’ warn of global warming. Scientists have recorded a significant and unexpected increase in the number of "glacial earthquakes" caused by the sudden movement of Manhattan-sized blocks of ice in Greenland. [News Source]

‘Glacial earthquakes’ warn of global warming. Dramatic new evidence has emerged of the speed of climate change in the polar regions which scientists fear is causing huge volumes of ice to melt far faster than predicted. [News Source]