20 The invisible chemistry in the air we breathe

Lifelong Learning With A. A. Khatana · Jul 11, 2026 · 25m

There is a significant difference between the visible smoke we see and the secondary pollutants that form silently through atmospheric chemical reactions. This episode explores the technical taxonomy used to define and analyze these diverse contaminants and their impacts on the world around us.We examine how pollutants are measured in milligrams per cubic meter and categorized by their physical properties. By understanding the distinction between gaseous and particulate matter, we can better trace the path from initial emission to the broad effects on plants, animals, and global…