Trees in Antarctica Grew in a Warm Climate

Geologists found upright trees and logs (interpreted as in situ) and a horizontal log 20 m long. The growth rings were 10 times wider than those found in the Arctic today. (Taylor, E.L. and Ryberg, P.E., Tree growth at polar latitudes based on fossil tree ring analysis, Palaeogeography, Palaeoclimatology, Palaeoecology 255:246-264, 2007.)