Kaitlyn Duling 
Air Quality and Pollution [PDF ebook] 

As our world becomes more industrialized, with new developing countries, expanding factories, and a growing global population, changes are happening to the air we breathe. In fact, those changes have been taking place over the course of many decades. This book offers an in-depth study of the history of the problem, featuring fast facts on air pollution and solutions for how we might make our air cleaner, healthier, and more breathable for the future.