flummox - FLUM-OKS -bewilder greatly, perplex

Example: "Shopping for oatmeal, a Swedish housewife admitted that she was flummoxed by the label on a box of oatmeal reading, 'Climate declared: .87 kg CO2 per kg of product;' turns out it's a new national way, on all packaged foods, to remind eaters how much CO2 is released in the creating of the food."