How Much Warming?—Climate Change, Lines of Evidence: Chapter 5

In the past century, the global temperature has climbed 10 times faster than the average rate of Ice Age recovery warming. The fifth video in a series of seven on factors that affect climate change discusses just how much global warming has occurred. It includes excellent examples of the positive feedback cycle in science.

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CCSS: Adaptable
Instructional Ideas

  • Graph global temperatures from 1900 to the present
  • Research the current predictions for future global warming
Classroom Considerations

  • Relies on prior knowledge of greenhouse gases, energy, and carbon dioxide
Pros

  • Comments are turned off, so teachers do not need to worry about inappropriate content
  • Short length helps maintain student attention
Cons

  • None