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 ...

Humans take more than 22,000 breaths a day and experts say the quality of the air we breathe is important. The World Health Organization (WHO) reports more than 90% of children breathe air so polluted ...

This is part of a monthly series answering readers' climate-related questions and highlighting Arizona's unsung climate leaders. The stories aim to help to connect and inspire Arizonans who care about ...

The effects of air pollution on kids "should have parents up in arms" to force changes in air pollution regulations, a reader said. Experts say children exposed to high air pollution levels can lose ...