News

We tend to think that rivers flow in a consistent direction: downstream. But over geologic time “downstream” can change. That’s why a place like Unaweep Canyon in western Colorado is such a good place to think about long-term time travel.

AP/Matt York

Arizona environmental officials say they don’t expect the Gold King Mine spill to have any negative impacts to the state’s watershed. As Arizona Public Radio’s Ryan Heinsius reports, they say Lake Powell will likely disperse the waste made up of several heavy metals.

The Daily Times

The Navajo Nation says it's waiting for test results from its own environment officials before deciding whether to declare the San Juan River safe for use.

azlibrary.gov

The most recent report from the U.S. Census Bureau puts Arizona near the bottom of the list for K-through-12 public-education spending. That comes as most states are increasing the amount dedicated to schools. Arizona Public Radio’s Ryan Heinsius reports.

The Flagstaff Light Opera Company is celebrating its 20th anniversary. Over the last two-decades, the FLOC has performed some 60 shows, including songs from well-known and beloved musicals, like The King and I and Sound of Music. On Friday night, the company will showcase its talent in a medley performance, commemorating the special anniversary.  Arizona Public Radio’s Aaron Granillo stopped by a recent rehearsal, as the FLOC prepared for the show.

Jerry McBride/Durango Herald

The toxic plume from the Gold King Mine spill in Colorado last week is no longer visible as it’s mixed with the murky San Juan River. Officials say it’s uncertain whether the polluted water has reached Lake Powell. Arizona Public Radio’s Ryan Heinsius reports.

Brady Smith, U.S. Forest Service, Southwestern Region, Coconino National Forest

Current climate change models assume that trees recover swiftly after a drought ends. That’s not true, according to a new study.

Researchers examined tree-ring data from more than 1,300 sites around the world. By comparing the rings to rainfall records, they could track tree growth before, during, and after droughts.

They found most trees grow slower than normal for 1 to 4 years following a drought.

It’s called a “legacy effect,” and it hasn’t been included in climate change models.  

endangeredwolfcenter.org

State wildlife officials have voted to increase the practice of “cross-fostering” Mexican gray wolves. That’s the substitution of captive-raised pups for wild ones in hopes of increasing genetic diversity. Arizona Public Radio’s Ryan Heinsius reports.

Tom Koronkiewicz

Scientists are concerned golden eagles aren't reproducing as well as they should. They suspect climate change and disruption of habitat from development might be affecting them.

Arizona’s Senator John McCain and Congressman Paul Gosar are pushing legislation that would give compensation to “down winders” in Mohave County. As Arizona Public Radio’s Aaron Granillo reports, a federal law excludes parts of the county from receiving financial relief.

Jean Bishop was a baby when atomic explosions would fill the sky near her home in Nevada. It was in the early 50s, when her family lived downwind from government nuclear test sites. Then, in 2013, Bishop developed breast cancer. A year later, her sister received the same diagnosis.

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