LOADING

Clip

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
You may also like
  • Wild Weather
  • Diorama
  • Wild Alaska Live
  • Magical Land of Oz
  • Your Inner Fish
©2020 WNET All Rights Reserved.   825 Eighth Avenue, New York, NY 10019