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8th, 9th, 10th, 11th, 12th


Science, Earth and Space Sciences

Resource Type

  • Videos, 5 minutes, 18 seconds, CC, Subtitles

Regional Focus



YouTube Video

Which Greenhouse Gas Is Actually the Worst?

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  • This introductory video explains the basics about average global temperature and the many greenhouse gases that affect the planet.
  • The video explains why CO2 is the greenhouse gas that is creating the largest impact on our planet, even though it isn't the most powerful greenhouse gas. 
Teaching Tips


  • This video creates engaging and clear content by incorporating music, graphics, and text.

Additional Prerequisites

  • The video finishes at 4 minutes and 30 seconds. There is an advertisement that plays after the content.
  • Students will need to have a basic understanding of climate change and greenhouse gases before watching the video.
  • The video omits nitrous oxide, a greenhouse gas with global warming potential between methane and sulfur hexafluoride. Nitrous oxide is almost always mentioned in climate change videos, but it is not here.


Scientist Notes
A trope of climate denialism is to take the focus off of cutting carbon emissions and talk about water vapor. It is true that water vapor is an important greenhouse gas that makes are planet livable, but it is not the culprit of climate change, as this video from PBS explains. This resource is recommended for teaching.
  • Next Generation Science Standards (NGSS)
    • ESS3: Earth and Human Activity
      • MS-ESS3-3 Apply scientific principles to design a method for monitoring and minimizing a human impact on the environment.
      • MS-ESS3-5 Ask questions to clarify evidence of the factors that have caused the rise in global temperatures over the past century.
      • HS-ESS3-5 Analyze geoscience data and the results from global climate models to make an evidence-based forecast of the current rate of global or regional climate change and associated future impacts to Earth systems.
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