Iran and America: A tale of two lands and the pistachio between them

The pistachios sold across the US have a surprising history: California's trees trace their roots to Iran. Now both regions face the same threat: their farmland is sinking as groundwater disappears.

The pistachios sold across the US have a surprising history: California's trees trace their roots to Iran. Now both regions face the same threat: their farmland is sinking as groundwater disappears.