Grist: We tend to complain about precipitation in the winter: Its cold, its depressing, it can make getting around dangerous and not fun. But as California can tell you right about now, there is definitely such thing as not enough wintry mix.
Friday morning, California Gov. Jerry Brown (D) officially declared a drought emergency. He directed state agencies to use less water, and asked residents and businesses to voluntarily cut their usage 20 percent. Mandatory water limitations could follow, and...