Humans and Earth's Atmosphere: What's in the Air?

This book explores the composition of Earth's atmosphere, including nitrogen, oxygen, argon, and carbon dioxide, and explains what happens when certain gases become too abundant or insufficient. It examines how everyday human activities such as driving vehicles, heating buildings, and using aerosols release harmful gases into the air. The book also describes the effects of these emissions on the air people breathe and meets Next Generation Science Standards.