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How Climate Change Is Threatening Tanzania's Coffee Growers

Cherries, the fruit of the coffee tree, generally contain two coffee beans--actually two seeds, each with one flat side--inside. Tanzania is famous for its peaberry coffee, produced by a rare mutation that creates only a single seed with no flat part. Image by Dan Grossman. Tanzania, 2016.

Cherries, the fruit of the coffee tree, generally contain two coffee beans—actually two seeds, each with one flat side—inside. Tanzania is famous for its peaberry coffee, produced by a rare mutation that creates only a single seed with no flat part. Image by Dan Grossman. Tanzania, 2016.

Reporter Daniel Grossman (@grossmanmedia) visited northern Tanzania, a source of some of the world's best beans. Growers there say they’re finding weather conditions increasingly unsuitable.