"Concern over the safety of the San Onofre nuclear power plant is growing among Orange County cities closest to the facility, which has been shut down since January because of system failures."

"Kelp off Southern California was contaminated with short-lived radioisotopes a month after Japan’s Fukushima accident, a sign that the spilled radiation reached the state's coastline, according to a new scientific study."

"TOKYO -- One of Japan’s crippled nuclear reactors still has fatally high radiation levels and hardly any water to cool it, according to an internal examination Tuesday that renews doubts about the plant’s stability."

"The Nuclear Regulatory Commission lays out steps that Southern California Edison must take before the troubled San Onofre plant will be allowed to come back on line."

"World leaders may pledge tighter controls over nuclear materials to keep them out of the hands of terrorists, according to the draft of a communique to be released at the end of their two-day meeting in Seoul."

"Securing vulnerable nuclear material before the next Nuclear Security Summit in 2014 is the top priority, according to a copy of the six-page working document obtained by Bloomberg News. The draft, completed at a March 23 meeting of nuclear advisers attending the meetings in the South Korean capital, will be subject to debate at the gathering that ends tomorrow.

"BRATTLEBORO, Vt. -- A 93-year-old anti-nuclear activist was among more than 130 protesters arrested at the corporate headquarters of the Vermont Yankee nuclear power plant Thursday, the first day of the plant's operation after the expiration of its 40-year license."

"The operators of 20 of the nation’s aging nuclear reactors, including some whose licenses expire soon, have not saved nearly enough money for prompt and proper dismantling. If it turns out that they must close, the owners intend to let them sit like industrial relics for 20 to 60 years or even longer while interest accrues in the reactors’ retirement accounts."

"TOKYO -- A vast majority of Japanese favor the gradual phasing out of nuclear plants but accept that some reactors need to be restarted to secure enough power in the short term, a newspaper poll showed on Sunday."

"A nuclear reactor on the California coast will remain shut down indefinitely while a team of federal inspectors determines why several relatively new tubes became so frail that tests found they could rupture and release radioactive water, a federal official said Thursday."