Antarctic iceberg 80 times the size of Manhattan threatens penguin colonies

Baby penguins and seals face mass starvation as a 4,700 square kilometer iceberg could block access to critical feeding grounds One of the largest icebergs in the world is on the path to collide with an island in the South Atlantic.  The “A68a" iceberg, which broke off from a larger ice shelf in July 2017, is currently drifting  through open waters just a few hundred kilometers from the British Overseas Territory of South Georgia. Scientists fear that if the iceberg continues on its current path, it can have a detrimental…