Climate change could threaten the world's beer supply. Do you care about global warming now?

Some 10,000 years ago, after the frigid Ice Age ended, humans tamed the nutritious grain, barley. 

It blossomed in a fertile realm of early civilization spanning contemporary states like Israel, Palestine, Jordan and beyond. Then 5,000 years later, peoples in the Zagros Mountains of modern-day Iran learned to brew barley beer. Today, farmers globally harvest tens of millions of tons of the crop each month. 

But barley, like many crops, has a flaw: Its yields plummet during heat waves and drought — both extreme consequences of a warming planet. As a primary ingredient in beer, this poses a real threat to the future global supply of frothy ales, lagers, and stouts.  Read more...

More about Beer, Global Warming, Extreme Weather, Climate Change, and Barley

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