Severe drought? California has been here before
Sunday, February 23, 2014 - 08:30
in Earth & Climate
A thousand-year tree-ring study shows that deep droughts come with the territory. Now the issue is how to deal with them.The skinny rings of ancient giant sequoias and foxtail pines hold a lesson that Californians are learning once again this winter: It can get very dry, sometimes for a single parched year, sometimes for withering decades.