Demand for sugary beverages goes up when it’s hot out. Sugar consumption went up about 0.7 grams — or about ⅛ of a teaspoon — per day for every degree Celsius hotter it got, on average. Sugary beverages present a particular concern, says Lindsey Smith Taillie, a nutrition scientist at the University of North Carolina. “What do we need to do in order to ensure that [sugar beverages] get replaced by water?” she asks. “How can we promote accessibility to clean and safe water in different settings?”A hotter future means more sugar consumption?