Climate change intensifies California drought, scientists say

By Justin Gillis NEW YORK TIMES AUGUST 20, 2015

Global warming caused by human emissions has most likely intensified the drought in California by roughly 15 to 20 percent, scientists said Thursday, warning that future dry spells in the state are almost certain to be worse than this one as the world continues to heat up.

JIM GENSHEIMER/SAN JOSE MERCURY NEWS VIA AP/FILE

This photo shows the dried up bed of the Guadalupe River in San Jose, Calif., last month.