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It's Okay to Be Smart: How Ancient Ice Proves Climate Change Is Real

11 minutes 20 seconds

Now Playing As: Captioned (English) (change)

Earth’s climate is changing in a big way, and it’s because there's more carbon dioxide in the atmosphere than at any point in human history. But Earth’s climate has changed before. How are scientists studying the impact of human behavior on climate? They are collecting ice cores and analyzing the tiny bubbles of ancient atmosphere trapped in the cores. Part of the "It's Okay to Be Smart" series.

Media Details

Runtime: 11 minutes 20 seconds

Topic: Science
Subtopic: Earth Sciences, Environmental Issues
Grade/Interest Level: 10 - 12
Standards:

Release Year: 2019
Producer/Distributor: PBS Digital Studios
Series: It's Okay to Be Smart

Many hot air balloons taking off into the sky.

Still image from: It's Okay to Be Smart: The Most Extreme Life Forms on Earth…And Beyond?

Different math equations and graphs are drawn, with a butterfly as the backdrop.

Sixteen eyeballs, each with different eye color. Caption: Martin-Schultz scale.

A group of animals, a gorilla, a rhino, a lemur cat, and a scaled lizard.

Seven different butterflies, where four are placed at the corners facing the butterfly at the center and two at either side of the central butterfly.

An animal with the body of a lion, an extra goat head on its back, and a snake instead of a tail. Caption: Chimera.

A view of Moon in the dark sky. Caption: Maria, Latin for seas, and Sea of Tranquility, Mare Tranquillitatis.

A star filled night sky. Caption: P B S.

Sunlight is shining through in a forest with large number of trees.