Alva Review-Courier -

WASHINGTON (AP) — Add beer to chocolate , coffee and wine as some of life's little pleasures that global warming will make scarcer and costlier, scientists say.

Increasing bouts of extreme heat waves and drought will hurt production of barley, a key beer ingredient, in the future. Losses of barley yield can be as much as 17 percent, an international group of researchers estimated.

That means beer prices on average would double, even adjusting for inflation, according to the study in Monday's journal Nature Plants . In countries like Ireland, where cost of a brew is already high, prices could t...