This study uses a Cox proportional hazards model to analyze changes in the risk of unplanned outages in U.S. nuclear power plants after the Three Mile Island (TMI) accident. The unplanned outage hazard is related to safety by the fact that most such outages begin with unplanned reactor scrams....

Using the Semipalatinsk Test Site in Kazakhstan, where about 456 nuclear tests occurred between 1949 and 1989, this paper examines the long-term health and well-being impacts of sustained radiation exposure. Results show that nuclear exposure significantly increases the risk of chronic disease...