The Anza-Borrego Desert State Park flowers will be at their annual best this month, beginning with low-elevation, warm areas ...

A recent University of Utah study found that the U.S. Environmental Protection Agency is not adequately measuring air ...

Noise pollution can impact our physical and mental wellbeing, so periods of silence throughout the day may just be the antidote.

The Valley has seen decades of big business deals and population growth. A yearslong fight over air pollution could now endanger its future.

As the BLM opens the public comment period on Redhawk's Copper Creek project, community groups are organizing to protect to the Lower San Pedro River.

The effects of a proposed green-energy facility in Chile could be devastating for some of the most powerful instruments ...