S47 E1: How Earth’s Climate Changed Over the Past 500 Million Years

Over its history, Earth has fluctuated between two climate states: Icehouses, with ice caps at at least one of the poles, and Hothouses, when there is no ice at the poles.
Aired: 2/5/2020 | 0:03:25
©2020 PUBLIC MEDIA NJ, INC. ALL RIGHTS RESERVED.   PO Box 5776, Englewood, NJ 07631