Two weeks after the March 2011 Fukushima nuclear disaster, UC San Diego atmospheric chemists noticed an unprecedented increase in radioactive sulfur in La Jolla’s air, which they realized was coming from the damaged and leaking Japanese power plant. lajollalight.com Diablo Canyon officials admit to recently discharging more tritium than Fukushima. enenews.com Canada's sole uranium conversion plant is offline pending an investigation by regulators into an unplanned shutdown last week. nuclearstreet.com Police and the Nebraska Public Power District are investigating the death of a worker at the Cooper nuclear plant Tuesday, although the circumstances suggest he died from natural causes. nuclearstreet.com