ScienceDaily: One-fifth of methane emissions has been attributed by researchers to livestock such as cattle, sheep and other ruminants, but the amount of methane produced varies substantially among animals in the same species. Researchers aimed to explore role the microbes living in the rumen play in this process.
"Increased to levels unprecedented" is how the Intergovernmental Panel on Climate Change (IPCC) described the rise of carbon dioxide, methane and nitrous oxide emissions in their report on the physical...