US scientists study impact of uranium in Grand Canyon region
FLAGSTAFF, Ariz. (AP) " U.S. scientists knew little about the impact of uranium mining in the Grand Canyon region before an Obama-era decision shut down new mining claims.Uranium first was discovered near the national park in the late 1940s and has been subject to boom-and-bust cycles.Mines opened as prices soared for the radioactive element used for Cold War weaponry and now nuclear power and were then put on standby or closed as prices tanked.The 20-year ban on new [...]
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