"States are taking the lead with studying levels of radon in drinking water and air even as federal regulators lag, as a coincidence of geology and population density leaves some more at risk than others of suffering from the naturally occurring radioactive [contaminant]."

"A binational coalition of over 70 mayors from Quebec, Ontario and the eight Great Lake States fear that the proposed maritime shipment of 16 giant radioactive steam generators from Ontario's Bruce Power to Sweden for recycling could release radioactivity into the water in the event of an accident during shipment."

Thanks to money and loopholes, gas drillers can dump radioactive waste from their Pennsylvania operations in a New York landfill.

"Several Department of Energy agents tasked with transporting nuclear weapons got drunk while on duty, according to the agency's inspector general office."

"Not only do most dentists continue to use outmoded X-ray film requiring higher amounts of radiation, but orthodontists and other specialists are embracing a new scanning device that emits significantly more radiation than conventional methods, an examination by The New York Times has found."

"Enough plutonium and uranium to make 775 nuclear weapons has been removed from the BN-350 fast reactor in Kazakhstan, built to breed plutonium for the Soviet Union's nuclear weapons program, and placed in a secure storage facility to keep terrorists from acquiring nuclear weapons."

"President Obama’s hopes of ratifying a new arms control treaty with Russia by the end of the year appeared to come undone on Tuesday as the chief Senate Republican negotiator moved to block a vote on the pact, one of the White House’s top foreign policy goals, in the lame-duck session of Congress."

"As President Obama pushes for ratification of his signature nuclear treaty with Russia in coming days, all eyes are on one Republican."

"Hundreds of water providers around the Gulf Coast region are providing their customers with drinking water that contains radioactive contaminants that raise health risks, according to state lab results and public health scientists."

"Technicians at the Vermont Yankee nuclear plant will begin work Monday morning to fix a pipe that leaked radioactive water and forced the plant to shut down."

"Energy Northwest's nuclear power plant near Richland, Wash., has been rated as one of two nuclear plants in the nation that are in greatest need of operational and human performance improvement."

"Opponents of a Nevada nuclear waste dump thought they'd finally managed to kill the Yucca Mountain project. Then came Sharron Angle."

"For close to four decades, residents of Tallevast in southwest Florida lived side by side with the American Beryllium Company, which employed local men and women to manufacture parts for nuclear weapons. Each day, workers inhaled beryllium dust and brought it home on their clothing."

"The China National Offshore Oil Corp. will pay Chesapeake Energy $2.2 billion for a one-third interest in a South Texas oil and natural gas shale project and will pay billions of dollars more for its share of development costs over the next several years."

Plans for one of the first new nuclear power reactors in decades -- a third unit at Calvert Cliffs, Maryland, were put on hold by Constellation Energy. The Energy Department said the project is so risky that Constellation must pay high fees if it wants the U.S. taxpayers to guarantee construction loans. But those subsidies were not high enough for Constellation. The demise of its poster child raised questions about the so-called "nuclear renaissance."