The San Joaquin Valley is accustomed to dealing with drought, but when those conditions last for decades, scientists call it a megadrought. According to a study recently published in the journal Science, the Southwest is currently experiencing a nearly two-decade megadrought that is fueled in part by global warming and is among the worst in human history. Valley Edition Host Kathleen Schock spoke with John Abatzoglou, a co-author of the study and climatologist who will join the faculty at UC Merced this summer.