Greenland ice sheet

Rain fell at the highest point on Greenland's ice sheet - possibly for the first time - in an event Danish scientists on  Aug. 23 said was most likely driven by climate change.

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The rain was observed for several hours on August 14 at a measuring post more than 3,000 meters (9,800 feet) up on the sheet, the U.S. Snow and Ice Data Center reported. 

Greenland's ice sheet has experienced a "massive melting event" during a heatwave that has seen temperatures more than 10 degrees above seasonal norms, according to Danish researchers. 

In addition to international relations, Greenland has also raised concerns in the scientific community. Researchers are looking for reasons for the rapid melting of ice on the huge island.

Because of record high temperatures in July, glaciers have lost a huge amount of their volume, NOVA TV reported.

Scientists from Denmark's Meteorological Institute  reported that over 10 billion tonnes of ice have melted in Greenland in just one day.

Because of record highs of over 20 degrees in July, glaciers have lost enormous amount of their volume.

A chunk of hard ice north of Greenland has disappeared.

This past June, late one night, a team of scientists camped out on a fjord in Greenland heard a roar. When icebergs are born, they fill the ocean with noise, and the Helheim Glacier was cracking. The researchers saw, LiveScience reports, "puffs of ice" tossed into the air as a new iceberg began to break off from the glacier.