For decades scientists have sought to measure animal methane emissions to determine the impact food animals have on our environment. Such studies often provided unfavorable results for animal agriculture, and the results have supported radical ideas that all forms of animal food production be halted. New research, however, suggests current estimates of total livestock methane emissions may be faulty. Scientists at Pennsylvania State University have concluded those estimates rely on outdated factors and do not fully consider feed intake, differences in animal diets or the facilities used to store manure. Read more…