Mark your calendar: January 1, 2020.
As this future year unfolds, the gap between how much cocoa the world wants to consume and how much it can produce will swell to 1 million metric tons, according to Mars Inc. and Barry Callebaut, the world's largest chocolate maker. By 2030, the predicted shortfall will grow to 2 million tons. And so on.
Because of disease, drought, rapacious new markets and the displacement of cacao by more-productive crops such as corn and rubber, demand is expected to outstrip supply by an additional 1 million tons every decade for the foreseeable future. Here, now, as you read these words, the world is running out of chocolate.
Last year, we again...