Coffee growers fret about climate change

National Public Radio: The effects of climate change may be coming to your coffee cup. The plants that produce coffee beans are notoriously sensitive, and small changes in temperature and precipitation can have big impacts on coffee quality and quantity. It may cause connoisseurs to cringe, but a warmer climate will encourage more coffee farmers to plant the heartier robusta varieties, which are caffeine-rich but bitter, instead of the mild, tasty Arabica coffees that Americans prefer. "I often call ......

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