The most dangerous U.S. state for workers

While the U.S. has become a safer place for workers since the Occupational Safety and Health Act became law more than 40 years ago, there's still work to be done as employees in some states and industries remain at higher risk for injury and death, according to a new report from the AFL-CIO.

According to the AFL-CIO, the most dangerous U.S. state for workers is North Dakota, which the report calls "an exceptionally dangerous and deadly place to work." Its fatality rate -- almost 18 deaths per 100,000 workers -- is five times higher than the national average. It's also double the state's 2007 rate, when it stood at 7 deaths per 100,000 workers.

North Dakota's spike in workplac