This gives a whole new meaning to the oft-warbled, "Just one more drink."
Experts are saying global warming may cause failed barley crops - one of the main ingredients in beer.
Jim Salinger, a climate scientist, is quoted in the Daily Star: "It will mean either there will be pubs without beer or the cost of beer will go up." He warned that the whole world's beer supply was at risk, and that it could hit within 30 years.
Some say they have already seen the effects of strained barley crops. Mark Hastings from British Beer and Pub Association said land that was used for barley is being given over to biofuels pushing barley prices up.
He said: Its already happening and will get worse."
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