The Havasupai Tribe has written a letter to the secretary of Energy asking her to exempt Pinyon Plain Mine, located near the Grand Canyon, from a uranium subsidy program.

Navajo Nation President Jonathan Nez met with members of Congress in support of the Radiation Exposure Compensation Act.

Though the title shift might not seem important, the bill's sponsors say it could expand conservation efforts.

Russia’s invasion of Ukraine has caused ripple effects across the globe, including one that could be felt strongest in the Southwest. And it involves an element found underground.

This month the Biden administration reached a settlement with conservation groups that filed suit against the Trump administration’s use of Department of Defense funds to build the border wall.

Climate change is quickly drying up Arizona’s two big reservoirs, Lake Powell and Lake Mead. As water levels plummet, the environmental effects are already being felt across the Southwest. But Tony Davis reports there’s another looming problem the low levels will cause: power supply.

Earlier this year, Gov. Doug Ducey proposed a $1 billion desalination project to ease Arizona’s water issues. Seth Seigel is an author who studied Israel’s use of desalination and other methods to solve its own water issues. He told PBS’s “Arizona Horizon” that desalination is helpful, but not a solution on its own.
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Experts have long expressed concern about the feedback loop between a warming climate and greenhouse gases released from melting permafrost. Now a new study suggests mountain permafrost might melt even faster than frozen ground in northern climes.

During the last couple of years, Pima County has revived a stretch of the once-dry Santa Cruz River. The revival continues with the return of a native fish.