SEA ice over the Arctic has shrunk to its smallest known area, shattering a record set in 2005 and continuing a trend spurred by human-caused global warming, scientists say.

• 科学家指出，北极冰面已经缩减到有史以来最小面积，打破了2005年的记录，并且由于人类导致的全球变暖而有继续缩小的趋势。