These scientists are turning harmful excess CO2 into rock

What if there were a way to turn that gas into rock and store it safely? More

Carbon dioxide in the atmosphere is a major contributor to global warming. But what if there were a way to turn that gas into rock and store it safely, thousands of feet underground? One power plant in Iceland is attempting to do just that, through a process called “Carbfix.” Special correspondent Malcolm Brabant reports, in the first of his “Breakthrough” series.

AIR DATE 8/23/16