Polar Extremes (2020)

Renowned paleontologist Kirk Johnson takes us on an epic adventure through time at the polar extremes of our planet Following a trail of strange fossils found in all the wrong placesbeech trees in Antarctica hippolike mammals in the ArcticJohnson uncovers the bizarre history of the poles from mileshigh ice sheets to warm polar forests teeming with life What caused such dramatic changes at the ends of the Earth And what can the past reveal about our planets climate todayand in the future