A23a, iceberg and South Georgia

Environmentalists fear for the island's rare king penguins and millions of elephant and fur seals if iceberg collides.
The trillion-ton slab of ice named A23a could slam into South Georgia Island and get stuck or be guided around it by currents ...
The world's biggest iceberg -- more than twice the size of London -- could drift towards a remote island where a scientist ...
The A23a iceberg calved from the Antarctic ice shelf in 1986, but only started moving north away from the frozen continent ...