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.

The Prescott National Forest is looking for volunteers to help build a new trail this weekend. Forest officials have set aside Saturday, March 26, for willing volunteers to lend a hand in constructing the Copper Chief Trail #535.

The White Mesa Mill in southern Utah is the last functioning uranium facility in the U.S., but with the price of uranium down, it has been transformed into a waste disposal site.

North America offers plenty of plants to safely eat. And in Jimmy Fike's new book, "Edible Plants: A Photographic Survey of the Wild Edible Botanicals of North America," he details over 100 of them.

There are feral cattle roaming the Gila National Forest, near the Arizona-New Mexico border. And the federal government has decided the best way to handle that is to shoot the cattle from the air.