1. If using the PowerPoint for this lesson, review to check formatting on your computer. It might be necessary to change font or font size to appear correctly on your computer. To use as a classroom presentation, appropriate slide numbers are indicated in parentheses under Procedures.

2. Make sure your computer system can play the videos for this lesson that are found on the MEECS Climate Change Resource DVD.

3. Make copies of the student activity sheets (Earth’s Greenhouse Effect and Sources of Greenhouse Gases), the student resource (Greenhouse Gases), and the transparency Michigan Greenhouse Gases per Sector in Michigan.