@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/DXUGvmAGrz https://t.co/JTPaJgDJaX

@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/DXUGvmAGrz https://t.co/JTPaJgDJaX