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 ...

More than 131 million people live in places with unhealthy air quality, according to the American Lung Association's 2024 State of Air report. This is an increase of 11.7 million people from the ...

A UC Santa Cruz research project is documenting how a shift in farm work patterns creates greater health risks.

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 ...