Arctic Tundra May Contribute to Warmer World

In this audio slideshow, an ecologist from the University of Florida describes the radiocarbon dating technique that scientists use to determine the amount of carbon within the permafrost of the Arctic tundra. Understanding the rate of carbon released as permafrost thaws is necessary to understand how this positive feedback mechanism is contributing to climate change that may further increase global surface temperatures.

Go To:

University of Florida
National Science Foundation
Each of the 3 videos is about 1 minute long.

Notes From Our Reviewers

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Teaching Tips

Slideshow is excellent with beautiful photographs.

The inability to download the video encourages watching it on an individual laptop or projected onto a screen for larger audiences.

The accompanying pieces complement its effectiveness and ease of use.