Climate change is expected to bring more frequent and more severe droughts to growing regions all over the world. If that affects the quality of different grains, including the barley that goes into beer, that means people will have to pay more for the same quality of beer, Gous told the Brisbane Times. (Gous is a student at the University of Queensland located in Brisbane, Australia.) "If you ask any brewer, starch and starch quality will affect your brew and the taste of the beer," he said.