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Coffee Bean Taboo Gets Second Look Amid Climate, Market Changes

Three decades ago, Costa Rica outlawed cultivation of the robusta coffee bean in order to promote production of arabica, the variety prized by high-end roasters around the world. Now, however, with warmer temperatures and disease threatening arabica production, the world's 14th-largest coffee producer is looking back to robusta — just as the more bitter, higher-caffeinated bean is gaining favor around the world. The National Coffee Congress for Costa Rica, a group of industry and...

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