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The race to develop coffee that can survive climate change

Clip: 03/02/2018 | 7m 50s

What has driven tens of thousands of Salvadorans to leave home, many for the U.S.? El Salvador's coffee beans suffered a devastating disease five years ago, and now face an even greater existential threat: climate change. Special correspondent Fred de Sam Lazaro reports on how researchers there are trying to develop a plant that can adapt to warming global temperatures.

Aired: 03/02/18

Rating: NR

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