Climate Expert Warns California Drought May Last Decades

08:33

February 13, 2014

President Obama is heading to Fresno, California, tomorrow, in the midst of the state's historic drought and a political fight over how to handle it.

Berkeley professor B. Lynn Ingram says the drought may be the most severe since the 1500s, based on research on tree rings. She says we may be entering a drier period that may last decades.

Ingram, who is also author of the 2013 book "The West without Water," joins Here & Now's Jeremy Hobson to discuss the drought.

Guest

B. Lynn Ingram, professor of earth and planetary science at the University of California, Berkeley. She's also co-author of "The West without Water: What Past Floods, Droughts, and Other Climatic Clues Tell Us about Tomorrow."

This segment aired on February 13, 2014.