For the last four years, officials in Washington, D.C., has worked to block oil and natural gas development on federal lands and waters.

Allies say the president's clean energy and environmental justice achievements will last. But he leaves behind no solution ...

A few miles south of the Grand Canyon, thousands of tons of uranium ore, reddish-gray, blue and radioactive, are piled up ...

Katie Hobbs is headed for a Republican meat grinder | Opinion Trash on Arizona highways is disgusting ... and preventable | Letters Want more opinions? We've got an even better newsletter to share ...

I was recently a passenger on beautiful Arizona 87 from Payson to Phoenix through the Mazatzal Mountains and Tonto National Forest. I immediately noticed the detritus along the roadsides and median.

Katie Hobbs is headed for a Republican meat grinder | Opinion Trash on Arizona highways is disgusting ... and preventable | Letters Want more opinions? We've got an even better newsletter to share ...