Haleuya Habagaro says she always knew her coffee was exquisite. "When I roast the coffee, people come to ask where that strong fruity smell is coming from." Gregory Warner/NPR hide caption

itoggle caption Gregory Warner/NPR

Eduardo Somarriba is a researcher at the Center for Tropical Agricultural Research and Education in Turrialba, Costa Rica. Dan Charles/NPR hide caption

itoggle caption Dan Charles/NPR