Companies race to mine lithium, a battery essential

Companies race to mine lithium, a battery essential More

The metal lithium has become integral to our daily lives, due to its essential role as a battery material in electronic devices. Over the next several decades, the rising popularity of electric vehicles is expected to mean the demand for lithium will increase even more -- so companies that mine the metal are racing to improve their productivity. Science correspondent Miles O’Brien reports.

AIR DATE 7/8/20