Drier Hotter Summers, More Intense Rainfall Decimating Coffee Production Across Colombia - NYT

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TIMBÍO, Colombia — Like most of the small landowners in Colombia’s lush mountainous Cauca region, Luis Garzón, 80, and his family have thrived for decades by supplying shade-grown, rainforest-friendly Arabica coffee for top foreign brands like Nespresso and Green Mountain. A sign in the center of a nearby town proclaims, “The coffee of Cauca is No. 1!”

But in the last few years, coffee yields have plummeted here and in many of Latin America’s other premier coffee regions as a result of rising temperatures and more intense and unpredictable rains, phenomena that many scientists link partly to global warming. Coffee plants require the right mix of temperature, rainfall and spells of dryness for beans to ripen properly and maintain their taste. Coffee pests thrive in the warmer, wetter weather.

Bean production at the Garzóns’ farm is therefore down 70 percent from five years ago, leaving the family little money for clothing for toddlers and “thinking twice” about sending older children to college, said Mr. Garzon’s 44-year-old son, Albeiro, interviewed in a yellow stucco house decorated with coffee posters and madonnas. The shortage of high-end Arabica coffee beans is also being felt in New York supermarkets and Paris cafes, as customers blink at escalating prices. Purveyors fear that the Arabica coffee supply from Colombia may never rebound — that the world might, in effect, hit “peak coffee.”

In 2006, Colombia produced more than 12 million 132-pound bags of coffee, and set a goal of 17 million for 2014. Last year the yield was nine million bags.

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http://www.nytimes.com/2011/03/10/science/earth/10coffee.html?_r=1