Arizona PBS

Taking Earth's Temperature: Delving into Climate's Past

Special | 56m 47s | Video has closed captioning.

Researchers use their increasingly precise understanding of the past as a test for computer models aimed at explaining how the Earth's climate system and its energy balance work. If those models can accurately explain past changes, then they may also provide today's best possible look at what will happen in the future.

Aired: 09/20/14

Rating: NR

Problems Playing Video? | Closed Captioning

Arizona PBS is a local public television program presented by Arizona PBS.