barley barley

The barley used to make beer as we know it may take a hit under climate change, but growers say they are already preparing by planting it farther north in colder locations. Dean Hutton/Bloomberg via Getty Images hide caption

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Dean Hutton/Bloomberg via Getty Images

The cost of a pint of beer could rise sharply in the U.S. and other countries because of increased risks from heat and drought, according to a new study that looks at climate change's possible effects on barley crops. Peter Nicholls/Reuters hide caption

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Peter Nicholls/Reuters

A head of poor-quality malt barley taken directly from a field in Power, Mont. Heat and a lack of water resulted in small and light kernels. Grain rejected for malt barley often ends up as animal feed. Tony Bynum/Food & Environment Reporting Network hide caption

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Tony Bynum/Food & Environment Reporting Network