In Europe, the rapid conversion of fields that once grew wheat or barley to biofuel oils like rapeseed is already leading to shortages of ingredients for making pasta and brewing beer, suppliers say.

• 供应商指出，在欧洲，曾经种植小麦或大麦的土地快速转变为种植像油菜籽那样的生物油料作物，这种情况导致了制造意粉和酿造啤酒的原料短缺。