Reducing Methane Emission from Cows

February 08, 2017 10:45 PM
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When talking about global warming people usually think of carbon dioxide, the greenhouse gas that reflects the warmth back to earth, causing various climate changes. But there is another, more potent greenhouse gas that contributes to the effect - and cows are the main culprits. VOA's George Putic reports scientists in Mexico say they may have found a way to reduce methane released by locally grown cows.