A team of scientists report to Congress warned that if temperatures rose 2-7 ° C, the entire Greenland ice sheet is disappearing from the world map, ice demise would cause global sea levels by 7 meters, then the world serious impact on other areas.

Pennsylvania State University earth sciences professor Richard (Richard ey), said last week a huge ice From the collapse of the Greenland Petermann glacier to leave, breaking the ice area the size of the equivalent of four Manhattan may be recorded in history away from the glacier has been the biggest collapse of a floating Iceland. He believes that this is to warn.

He added: “Over the next decade, a certain hour, we may be able to exist over to Greenland temperature critical point, if the temperature rose 2-7 ° C, means that Greenland’s ice sheet will die, and ice sheets will cause the demise of Global sea-level rise 7 meters, so thousands of miles away from the Arctic region will be seriously affected, then the same as the low-lying city of New Orleans will disappear. “