A Republic reader is concerned about the effects of air pollution on children, and wants to know how to push for change.

Outdoor air pollution from power plants, fires and cars continues to degrade human, animal and environmental health around the globe. New research shows that even pollution levels that are below ...

Add Yahoo as a preferred source to see more of our stories on Google. On New Year's Day, several people messaged me to ask if I had noticed how bad the air quality was in Phoenix after the previous ...