Annual US beverage milk sales are about 25 million tons. 1 kilogram milk has 1.3 kilogram carbon footprint that is 1.3 kilogram carbon dioxide (or its equivalent) is emitted to produce, process, package, transport and retail 1 kilogram of milk in the dairy supply chain. How much carbon dioxide is annually emitted in the US dairy supply chains? 1. Less than or equal to (25/1.3) million tons 2. Between (25/1.3) million tons and 25 million tons 3. More than 25 million tons 4. None of the above