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 ...

Chennai’s environment became the unseen artist for a little over a month, layering smog plates with soot and smoke, creating ...

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 ...

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 night's firework celebrations. It was plain to see that day. Particulate ...