@CNN: Global warming will lead to substantial decreases in barley crop yields, causing beer shortages and a sharp rise in the price of a pint, according to a new study https://t.co/CJHVvmZvSy https://t.co/V4xVdTFGy8

@CNN: Global warming will lead to substantial decreases in barley crop yields, causing beer shortages and a sharp rise in the price of a pint, according to a new study https://t.co/CJHVvmZvSy https://t.co/V4xVdTFGy8