Argentina scientists are trying to measure the amount of contribution of cows to global warming. Yes, cows apparently contribute to global warming because of the amount of methane they produce as... emissions. Yes, your basic, standard-sized cow produces over 35 cubic feet (up to 1,000 liters) of methane a day. When they got the first results, the researchers were surprised: "Thirty percent of Argentina s (total greenhouse) emissions could be generated by cattle."

Follow the link above to see a picture of the backpack device used to monitor the cow emissions.