Fukushima: Can it Happen in the U.S.?

The disaster at the Fukushima Daiichi power plant in 2011 was not an isolated accident affecting only the 470,000 Japanese who were evacuated after the reactor meltdown and widespread release of radiation. Dr. Edwin Lyman of the Union of Concerned Scientists and co-author of the book "Fukushima: The Story of a Nuclear Disaster," says that efforts to reduce risks related to nuclear power generation are falling short and inadequate safety standards at 23 similar plants in the U.S. make a Fukushima-like disaster possible. He looks at which U.S. nuclear power plants are most vulnerable.

Watch more "Earth Focus" videos about nuclear energy issues.