Cows (IMAGE) Penn State Caption Having more accurate models for predicting enteric methane emissions from livestock is important because these emissions represent a significant portion of global greenhouse gases blamed for causing climate change. And if current and future mitigation efforts are to be measured and analyzed for their effectiveness, regulatory agencies must have accurate data for existing enteric methane levels and resulting decreases. Credit US Department of Agriculture Usage Restrictions Non commercial use only License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.