ch17e


 * Chapter 17 Section E: The Greenhouse Effect**

- CO2 is a trace gas, making up about 0.033% of the atmosphere - It plays a critical role in controlling our climate - The greenhouse effect is the trapping of heat near Eath's surface by gases in the atmosphere, particularly CO2 - CO2 traps sunlight and restricts air circulation - Without CO2, the atmosphere would be about 30 degrees C cooler

**The Carbon Cycle** [] []

Back to Chapter