Tanzanian coffee is famous for the "Peaberry", which is the solo bean instead of the usual double bean. (Read this if you're confused by that.) There is peaberry coffee elsewhere, and there is regular Tanzanian coffee. Well, due to climate change, there is apparently going to be a little less Tanzanian coffee.
Climate change is already hurting the world's most consumed coffee bean
"The study, conducted by researchers at the University of Witwatersrand in South Africa, found that Tanzania’s production of Arabica coffee — the most-consumed coffee species in the world — has fallen by 46 percent since 1966. Over the same period of time, the average nighttime temperature in Tanzania increased 1.4 degrees Celsius.
“Everybody is talking about the future,” Alessandro Craparo, a co-author of the study, told ThinkProgress. “But we can show that this has had a massive impact already.”
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“We’ve always known that high temperatures and low rainfall impact coffee,” Craparo said. “What this study found, and what’s really important, is its nighttime temperatures that are increasing at a rapid rate and having a bigger impact on coffee than what’s happening in the day.” "
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