A map showing where various crops are grown across the U.S.
Credit: Bill Rankin

On April 1, California Governor Jerry Brown stood in a field in the Sierra Nevada Mountains, beige grass stretching out across an area that should have been covered with five feet of snow. The Sierra’s snowpack — the frozen well that feeds California’s reservoirs and supplies a third of its water — was just eight percent of its yearly average. That’s a historic low for a state that has become accustomed to breaking drought records.

In the middle of the snowless field, Brown took an unprecedented step, mandating that urban agencies curtail their water use by 25 percent, a move that would save some 500 billion gallons of water by February of 2016 — a seemingly huge amount, until you consider that California’s almond industry, for example, uses more than twice that much water annually. Yet Brown’s mandatory cuts did not touch […]