Nuclear reactors at a power plant in California have been shut down after encountering a number of problems. This is just the latest in a rash of issues in nuclear power plants around the world in the past year.
If you live within 20 km of a nuclear power plant you need to have a evacuation plan for the safety of your family. The risk is low, but still exists.
http://www.cnn.com/2012/04/06/us/california-nuclear-plant/index.html?hpt=hp_t3