water

Alex Brandon/AP/file

Tribal and environmental groups are calling on Arizona Republican Senator Martha McSally to back a bill permanently banning uranium mining near Grand Canyon National Park. KNAU’s Ryan Heinsius reports.

Ryan Heinsius / KNAU

The Mohave County Board of Supervisors has unanimously voted in support of expanded mining on lands adjacent to the Grand Canyon. They say a federal ban on new uranium claims has hurt the area’s economic prospects. KNAU’s Ryan Heinsius reports.


Melissa Sevigny

A new paper published today in Science shows a rising risk of water shortages in the Colorado River Basin. Scientists say diminishing snowpack from climate change plays a critical role—not just because snow supplies the river with water, but because it acts as a protective shield against evaporation. KNAU’s Melissa Sevigny spoke with lead author Chris Milly of the U.S. Geological Survey.

Melissa Sevigny: Your study was about what’s going to happen to the Colorado River as the world continues to get warmer. What did you find out?

U.S. EPA

Officials with the Navajo Nation and federal government finalized an agreement last week in the ongoing effort to clean up hundreds of abandoned uranium mines on the reservation. KNAU’s Ryan Heinsius reports.


agriculture.arizona.gov

The agriculture industry is pushing back against efforts in Arizona to track the amount of water being drawn from large groundwater wells in rural areas.

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