The CDC’s National Environmental Public Health Tracking Program is hosting the eighth annual Tracking Awareness Week from Monday, July 17 to Friday, July 21. This year’s theme is “Data for Action.”  What Is Tracking Awareness Week? National Tracking Awareness Week is dedicated to bringing national attention to environmental health issues by connecting a network of...

by Marina Courtney Many things contribute to air pollution, including motor vehicles, fossil fuel combustion, and industrial facilities. However, the one thing they all have in common is human activity.  The societal “big hair” trends from a few decades ago are a telling example. Excessive use of hairspray aerosols containing chemicals called chlorofluorocarbons, or CFCs,...