California On Track For Driest Year On Record

According to data from the National Weather Service, which has been keeping records for 164 years, California is on track to see its driest year.

How much of it has to do with climate change? And what are the implications?

Here & Now's Jeremy Hobson discusses these questions and more with William Patzert, who has been called "the prophet of California climate," of the California Institute of Technology.