Pliocene climatic optimum
The period from about 3.2 to 2.5 million years ago during which polar temperature was 5°–10°C warmer than today, the Antarctic and Arctic ice caps nearly melted, and sea level was 35 m higher.
The period from about 3.2 to 2.5 million years ago during which polar temperature was 5°–10°C warmer than today, the Antarctic and Arctic ice caps nearly melted, and sea level was 35 m higher.