A new study from the U.S. Geological Survey shows uranium in Pigeon Spring, north of the Grand Canyon, is likely not related to a nearby mine. The research is part of a larger effort to understand the impacts of uranium mining in the region.
The U.S. Environmental Protection Agency will not pay $1.2 billion in claims to those affected by the 2015 Gold King Mine spill. The agency says damages caused by the incident in Colorado don’t qualify for compensation. Arizona Public Radio’s Ryan Heinsius reports.