1-4: Atmospheric Composition, Carbon Dioxide

1-4: En Español 1-4: Em Português

Importance of this Unit to the Course

This unit provides background information on the amounts of carbon in the atmosphere, ocean, and on land. This information will assist us in understanding how humans are changing these amounts and what the consequences might be for global warming.


Preparation for Discussion (You must complete this section before class.)

  1. Read the summary information. (Print text for offline review; images only.)
  2. Take the Quiz over the summary information. (see your portfolio)
  3. Review additional reading material (this material is not covered in the quiz, but offers more ideas for online discussion)

Discussion (online / face-to-face) (See your portfolio for due dates and times)

A major component of the course is participation in the online dialog. The following types of comments are required:

The following may be used as discussion starters for the online dialog:

Additional Reading