World's largest iceberg runs aground in South Georgia and blocks off key penguin feeding ground
The so-called A23a iceberg, the world's largest, has run aground in South Georgia after almost 40 years at sea, threatening important penguin colonies.
'Structural change' identified in Antarctica's sea ice system
Antarctic sea ice has been behaving erratically. Sea ice cover has been much more variable than it used to be, with anomalies ...