Increased Emissions—Climate Change, Lines of Evidence: Chapter 4

Earth naturally creates carbon dioxide, so how do we know the atmospheric increase is related to humans? The fourth video in a seven-part series explains the evidence that points to humans as a reason for this increase. The factors that affect climate change include increasing emissions, decreasing trees and other habitats to naturally clean the air, and landfill decay.

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CCSS: Adaptable
Instructional Ideas

  • Graph the increase in emissions by country and overall in the world
  • Do a visual demonstration of one of the examples in the video; fill a sink with water faster than it can drain and ask what will happen if you continue to add water at this rate
Classroom Considerations

  • Assumes prior knowledge of greenhouse gases and the carbon cycle

  • Includes many graphs supporting the facts
  • Mentions the scientists who contributed to the research

  • None