An Iranian security official in protective clothing walks through a uranium conversion facility in 2005. Iran says it is now enriching uranium above the limit set in the 2015 nuclear deal.
Atomic Energy Organization of Iran spokesman Behrouz Kamalvandi, pictured at a July 2018 news conference in Tehran, said Monday: "We have quadrupled the rate of enrichment and even increased it more recently."
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The safety director at Grand Canyon National Park says people may have been exposed to radiation from three buckets of uranium ore that sat for years in a museum collection building. Whether the amount of exposure was unsafe has not been determined.
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Many people who live in the Blue Gap-Tachee Chapter in northeastern Arizona remember when mining companies blasted uranium out of the Claim 28 site near their homes. Dust from mine explosions coated everything.
President Trump and his supporters claim that in exchange for millions of dollars in donations to the Clinton Foundation, Hillary Clinton supported the 2010 sale of a mining company that gave Russia control of U.S. uranium supplies.
Workers stand inside the gold mine in Greenland's Nulanaq mountain in 2009. The Danish territory's underground wealth was at the forefront of elections in March. Now, Greenland faces another dilemma: whether to end a zero-tolerance policy on uranium extraction.