The evidence for a warm Antarctic has been fossilized pollen and plankton found high in the Transantarctic Mountains, near the coast, and dated to around 3 million years ago.

• 南极洲曾经温暖的证据是在横跨南极山脉靠近海岸的高地上发现的花粉和浮游生物的化石，其年代被确定为距今300万年左右。