@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/Wu2iZZkGwx https://t.co/Lg489aRZWz

@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/Wu2iZZkGwx https://t.co/Lg489aRZWz