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<From 1970 to 1986>, scientists came to believe that the stark and frigid <antarctic> landscape we see today has existed for a very long time; the climatic message embedded in sea sediments is that once an ice sheet enveloped East Antarctica 15 million years ago, it never let go.
However in the mid 1980s, scientists working on the continent itself have uncovered the wooden remains of what they believe was an extensive forest that flourished only 400 miles from the South Pole about 3 million years ago.
A forest grows in Antarctica - an extensive forest may have flourished about 3 million years ago
Seeded on Thu Feb 9, 2012 3:30 AM EST
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Antarctica was relatively free of ice before the Panama land bridge cut off the flow of water from the Atlantic to the Pacific.
This change spawned the Gulf Stream, which began our modern ice age climate cycle that repeats on average about each 110,000 years.
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