The Air We Breathe is a picture book designed to introduce Earth's atmosphere and its importance to life on earth. It also introduces how the addition of new gases contributes to changing the quality of the air we breathe. With an understanding of how our atmosphere works, we will begin to understand how our activities may be contributing to some of those changes in air quality.

Electronic reproduction. For Grades K-4. "EP-2004-03-415-HQ"--Cover.